Home / 48,959.10-73,438.65-42,543.90

Finding the Fourth Proportional to 48,959.10, 73,438.65 and 42,543.90

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Solution

The fourth proportional to 48,959.10, 73,438.65 and 42,543.90 is: 63,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,959.10 : 73,438.65 = 42,543.90 : x
  2. Step 2: Convert to fraction form
    48,959.10/73,438.65 = 42,543.90/x
  3. Step 3: Cross multiply
    48,959.10x = 73,438.65 × 42,543.90
  4. Step 4: Simplify right side
    48,959.10x = 3,124,366,581.74
  5. Step 5: Solve for x
    x = 3,124,366,581.74/48,959.10
  6. Step 6: Final answer
    x = 63,815.85

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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.