Home / 48,606.13-72,909.20-11,670.13

Finding the Fourth Proportional to 48,606.13, 72,909.20 and 11,670.13

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Solution

The fourth proportional to 48,606.13, 72,909.20 and 11,670.13 is: 17,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,606.13 : 72,909.20 = 11,670.13 : x
  2. Step 2: Convert to fraction form
    48,606.13/72,909.20 = 11,670.13/x
  3. Step 3: Cross multiply
    48,606.13x = 72,909.20 × 11,670.13
  4. Step 4: Simplify right side
    48,606.13x = 850,859,842.20
  5. Step 5: Solve for x
    x = 850,859,842.20/48,606.13
  6. Step 6: Final answer
    x = 17,505.20

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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.