Home / 48,188.61-72,298.85-30,398.73

Finding the Fourth Proportional to 48,188.61, 72,298.85 and 30,398.73

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Solution

The fourth proportional to 48,188.61, 72,298.85 and 30,398.73 is: 45,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,188.61 : 72,298.85 = 30,398.73 : x
  2. Step 2: Convert to fraction form
    48,188.61/72,298.85 = 30,398.73/x
  3. Step 3: Cross multiply
    48,188.61x = 72,298.85 × 30,398.73
  4. Step 4: Simplify right side
    48,188.61x = 2,197,793,068.47
  5. Step 5: Solve for x
    x = 2,197,793,068.47/48,188.61
  6. Step 6: Final answer
    x = 45,608.14

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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.