Home / 53,870.59-74,217.55-42,535.90

Finding the Fourth Proportional to 53,870.59, 74,217.55 and 42,535.90

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Solution

The fourth proportional to 53,870.59, 74,217.55 and 42,535.90 is: 58,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,870.59 : 74,217.55 = 42,535.90 : x
  2. Step 2: Convert to fraction form
    53,870.59/74,217.55 = 42,535.90/x
  3. Step 3: Cross multiply
    53,870.59x = 74,217.55 × 42,535.90
  4. Step 4: Simplify right side
    53,870.59x = 3,156,910,217.58
  5. Step 5: Solve for x
    x = 3,156,910,217.58/53,870.59
  6. Step 6: Final answer
    x = 58,601.73

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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.