Home / 86,063.85-129,095.89-26,899.83

Finding the Fourth Proportional to 86,063.85, 129,095.89 and 26,899.83

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Solution

The fourth proportional to 86,063.85, 129,095.89 and 26,899.83 is: 40,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,063.85 : 129,095.89 = 26,899.83 : x
  2. Step 2: Convert to fraction form
    86,063.85/129,095.89 = 26,899.83/x
  3. Step 3: Cross multiply
    86,063.85x = 129,095.89 × 26,899.83
  4. Step 4: Simplify right side
    86,063.85x = 3,472,657,427.45
  5. Step 5: Solve for x
    x = 3,472,657,427.45/86,063.85
  6. Step 6: Final answer
    x = 40,349.78

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.