Home / 72,331.79-108,496.26-39,116.93

Finding the Fourth Proportional to 72,331.79, 108,496.26 and 39,116.93

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Solution

The fourth proportional to 72,331.79, 108,496.26 and 39,116.93 is: 58,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,331.79 : 108,496.26 = 39,116.93 : x
  2. Step 2: Convert to fraction form
    72,331.79/108,496.26 = 39,116.93/x
  3. Step 3: Cross multiply
    72,331.79x = 108,496.26 × 39,116.93
  4. Step 4: Simplify right side
    72,331.79x = 4,244,040,065.20
  5. Step 5: Solve for x
    x = 4,244,040,065.20/72,331.79
  6. Step 6: Final answer
    x = 58,674.62

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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.