Home / 48,124.42-72,158.92-18,538.40

Finding the Fourth Proportional to 48,124.42, 72,158.92 and 18,538.40

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Solution

The fourth proportional to 48,124.42, 72,158.92 and 18,538.40 is: 27,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,124.42 : 72,158.92 = 18,538.40 : x
  2. Step 2: Convert to fraction form
    48,124.42/72,158.92 = 18,538.40/x
  3. Step 3: Cross multiply
    48,124.42x = 72,158.92 × 18,538.40
  4. Step 4: Simplify right side
    48,124.42x = 1,337,711,056.58
  5. Step 5: Solve for x
    x = 1,337,711,056.58/48,124.42
  6. Step 6: Final answer
    x = 27,796.93

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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.