Home / 75,248.72-103,805.64-48,037.52

Finding the Fourth Proportional to 75,248.72, 103,805.64 and 48,037.52

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Solution

The fourth proportional to 75,248.72, 103,805.64 and 48,037.52 is: 66,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,248.72 : 103,805.64 = 48,037.52 : x
  2. Step 2: Convert to fraction form
    75,248.72/103,805.64 = 48,037.52/x
  3. Step 3: Cross multiply
    75,248.72x = 103,805.64 × 48,037.52
  4. Step 4: Simplify right side
    75,248.72x = 4,986,565,507.61
  5. Step 5: Solve for x
    x = 4,986,565,507.61/75,248.72
  6. Step 6: Final answer
    x = 66,267.78

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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.