Home / 86,359.42-129,539.13-49,397.50

Finding the Fourth Proportional to 86,359.42, 129,539.13 and 49,397.50

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Solution

The fourth proportional to 86,359.42, 129,539.13 and 49,397.50 is: 74,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,359.42 : 129,539.13 = 49,397.50 : x
  2. Step 2: Convert to fraction form
    86,359.42/129,539.13 = 49,397.50/x
  3. Step 3: Cross multiply
    86,359.42x = 129,539.13 × 49,397.50
  4. Step 4: Simplify right side
    86,359.42x = 6,398,909,174.18
  5. Step 5: Solve for x
    x = 6,398,909,174.18/86,359.42
  6. Step 6: Final answer
    x = 74,096.25

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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.