Home / 49,528.80-74,293.20-42,165.90

Finding the Fourth Proportional to 49,528.80, 74,293.20 and 42,165.90

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Solution

The fourth proportional to 49,528.80, 74,293.20 and 42,165.90 is: 63,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,528.80 : 74,293.20 = 42,165.90 : x
  2. Step 2: Convert to fraction form
    49,528.80/74,293.20 = 42,165.90/x
  3. Step 3: Cross multiply
    49,528.80x = 74,293.20 × 42,165.90
  4. Step 4: Simplify right side
    49,528.80x = 3,132,639,641.88
  5. Step 5: Solve for x
    x = 3,132,639,641.88/49,528.80
  6. Step 6: Final answer
    x = 63,248.85

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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.