Home / 48,539.90-72,800.12-13,470.14

Finding the Fourth Proportional to 48,539.90, 72,800.12 and 13,470.14

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Solution

The fourth proportional to 48,539.90, 72,800.12 and 13,470.14 is: 20,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,539.90 : 72,800.12 = 13,470.14 : x
  2. Step 2: Convert to fraction form
    48,539.90/72,800.12 = 13,470.14/x
  3. Step 3: Cross multiply
    48,539.90x = 72,800.12 × 13,470.14
  4. Step 4: Simplify right side
    48,539.90x = 980,627,808.42
  5. Step 5: Solve for x
    x = 980,627,808.42/48,539.90
  6. Step 6: Final answer
    x = 20,202.51

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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.