Home / 56,459.39-77,845.82-48,788.95

Finding the Fourth Proportional to 56,459.39, 77,845.82 and 48,788.95

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Solution

The fourth proportional to 56,459.39, 77,845.82 and 48,788.95 is: 67,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.39 : 77,845.82 = 48,788.95 : x
  2. Step 2: Convert to fraction form
    56,459.39/77,845.82 = 48,788.95/x
  3. Step 3: Cross multiply
    56,459.39x = 77,845.82 × 48,788.95
  4. Step 4: Simplify right side
    56,459.39x = 3,798,015,819.69
  5. Step 5: Solve for x
    x = 3,798,015,819.69/56,459.39
  6. Step 6: Final answer
    x = 67,269.87

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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.