Home / 86,416.04-129,507.40-44,892.20

Finding the Fourth Proportional to 86,416.04, 129,507.40 and 44,892.20

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Solution

The fourth proportional to 86,416.04, 129,507.40 and 44,892.20 is: 67,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,416.04 : 129,507.40 = 44,892.20 : x
  2. Step 2: Convert to fraction form
    86,416.04/129,507.40 = 44,892.20/x
  3. Step 3: Cross multiply
    86,416.04x = 129,507.40 × 44,892.20
  4. Step 4: Simplify right side
    86,416.04x = 5,813,872,102.28
  5. Step 5: Solve for x
    x = 5,813,872,102.28/86,416.04
  6. Step 6: Final answer
    x = 67,277.70

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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.