Home / 86,125.03-129,179.19-26,154.02

Finding the Fourth Proportional to 86,125.03, 129,179.19 and 26,154.02

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Solution

The fourth proportional to 86,125.03, 129,179.19 and 26,154.02 is: 39,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.03 : 129,179.19 = 26,154.02 : x
  2. Step 2: Convert to fraction form
    86,125.03/129,179.19 = 26,154.02/x
  3. Step 3: Cross multiply
    86,125.03x = 129,179.19 × 26,154.02
  4. Step 4: Simplify right side
    86,125.03x = 3,378,555,118.84
  5. Step 5: Solve for x
    x = 3,378,555,118.84/86,125.03
  6. Step 6: Final answer
    x = 39,228.49

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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.