Home / 56,781.60-78,366.15-32,592.12

Finding the Fourth Proportional to 56,781.60, 78,366.15 and 32,592.12

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Solution

The fourth proportional to 56,781.60, 78,366.15 and 32,592.12 is: 44,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,781.60 : 78,366.15 = 32,592.12 : x
  2. Step 2: Convert to fraction form
    56,781.60/78,366.15 = 32,592.12/x
  3. Step 3: Cross multiply
    56,781.60x = 78,366.15 × 32,592.12
  4. Step 4: Simplify right side
    56,781.60x = 2,554,118,964.74
  5. Step 5: Solve for x
    x = 2,554,118,964.74/56,781.60
  6. Step 6: Final answer
    x = 44,981.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.