Home / 48,613.34-72,892.20-28,905.68

Finding the Fourth Proportional to 48,613.34, 72,892.20 and 28,905.68

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Solution

The fourth proportional to 48,613.34, 72,892.20 and 28,905.68 is: 43,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,613.34 : 72,892.20 = 28,905.68 : x
  2. Step 2: Convert to fraction form
    48,613.34/72,892.20 = 28,905.68/x
  3. Step 3: Cross multiply
    48,613.34x = 72,892.20 × 28,905.68
  4. Step 4: Simplify right side
    48,613.34x = 2,106,998,607.70
  5. Step 5: Solve for x
    x = 2,106,998,607.70/48,613.34
  6. Step 6: Final answer
    x = 43,341.98

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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.