Home / 72,931.95-109,397.88-56,316.24

Finding the Fourth Proportional to 72,931.95, 109,397.88 and 56,316.24

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Solution

The fourth proportional to 72,931.95, 109,397.88 and 56,316.24 is: 84,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931.95 : 109,397.88 = 56,316.24 : x
  2. Step 2: Convert to fraction form
    72,931.95/109,397.88 = 56,316.24/x
  3. Step 3: Cross multiply
    72,931.95x = 109,397.88 × 56,316.24
  4. Step 4: Simplify right side
    72,931.95x = 6,160,877,265.57
  5. Step 5: Solve for x
    x = 6,160,877,265.57/72,931.95
  6. Step 6: Final answer
    x = 84,474.33

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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.