Home / 86,158.41-129,237.69-26,998.69

Finding the Fourth Proportional to 86,158.41, 129,237.69 and 26,998.69

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Solution

The fourth proportional to 86,158.41, 129,237.69 and 26,998.69 is: 40,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,158.41 : 129,237.69 = 26,998.69 : x
  2. Step 2: Convert to fraction form
    86,158.41/129,237.69 = 26,998.69/x
  3. Step 3: Cross multiply
    86,158.41x = 129,237.69 × 26,998.69
  4. Step 4: Simplify right side
    86,158.41x = 3,489,248,328.63
  5. Step 5: Solve for x
    x = 3,489,248,328.63/86,158.41
  6. Step 6: Final answer
    x = 40,498.06

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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.