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Finding the Fourth Proportional to 60,358.80, 83,244.90 and 45,284.91

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Solution

The fourth proportional to 60,358.80, 83,244.90 and 45,284.91 is: 62,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,358.80 : 83,244.90 = 45,284.91 : x
  2. Step 2: Convert to fraction form
    60,358.80/83,244.90 = 45,284.91/x
  3. Step 3: Cross multiply
    60,358.80x = 83,244.90 × 45,284.91
  4. Step 4: Simplify right side
    60,358.80x = 3,769,737,804.46
  5. Step 5: Solve for x
    x = 3,769,737,804.46/60,358.80
  6. Step 6: Final answer
    x = 62,455.48

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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.