Home / 75,916.80-113,875.20-56,233.80

Finding the Fourth Proportional to 75,916.80, 113,875.20 and 56,233.80

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Solution

The fourth proportional to 75,916.80, 113,875.20 and 56,233.80 is: 84,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,916.80 : 113,875.20 = 56,233.80 : x
  2. Step 2: Convert to fraction form
    75,916.80/113,875.20 = 56,233.80/x
  3. Step 3: Cross multiply
    75,916.80x = 113,875.20 × 56,233.80
  4. Step 4: Simplify right side
    75,916.80x = 6,403,635,221.76
  5. Step 5: Solve for x
    x = 6,403,635,221.76/75,916.80
  6. Step 6: Final answer
    x = 84,350.70

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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.