Home / 48,654.40-72,973.26-13,585.96

Finding the Fourth Proportional to 48,654.40, 72,973.26 and 13,585.96

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Solution

The fourth proportional to 48,654.40, 72,973.26 and 13,585.96 is: 20,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,654.40 : 72,973.26 = 13,585.96 : x
  2. Step 2: Convert to fraction form
    48,654.40/72,973.26 = 13,585.96/x
  3. Step 3: Cross multiply
    48,654.40x = 72,973.26 × 13,585.96
  4. Step 4: Simplify right side
    48,654.40x = 991,411,791.43
  5. Step 5: Solve for x
    x = 991,411,791.43/48,654.40
  6. Step 6: Final answer
    x = 20,376.61

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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.