Home / 45,641.30-68,513.15-35,298.90

Finding the Fourth Proportional to 45,641.30, 68,513.15 and 35,298.90

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Solution

The fourth proportional to 45,641.30, 68,513.15 and 35,298.90 is: 52,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,641.30 : 68,513.15 = 35,298.90 : x
  2. Step 2: Convert to fraction form
    45,641.30/68,513.15 = 35,298.90/x
  3. Step 3: Cross multiply
    45,641.30x = 68,513.15 × 35,298.90
  4. Step 4: Simplify right side
    45,641.30x = 2,418,438,830.54
  5. Step 5: Solve for x
    x = 2,418,438,830.54/45,641.30
  6. Step 6: Final answer
    x = 52,987.95

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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.