Home / 60,935.04-84,123.20-42,812.80

Finding the Fourth Proportional to 60,935.04, 84,123.20 and 42,812.80

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Solution

The fourth proportional to 60,935.04, 84,123.20 and 42,812.80 is: 59,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,935.04 : 84,123.20 = 42,812.80 : x
  2. Step 2: Convert to fraction form
    60,935.04/84,123.20 = 42,812.80/x
  3. Step 3: Cross multiply
    60,935.04x = 84,123.20 × 42,812.80
  4. Step 4: Simplify right side
    60,935.04x = 3,601,549,736.96
  5. Step 5: Solve for x
    x = 3,601,549,736.96/60,935.04
  6. Step 6: Final answer
    x = 59,104.74

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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.