Home / 55,007.16-75,909.92-29,856.66

Finding the Fourth Proportional to 55,007.16, 75,909.92 and 29,856.66

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Solution

The fourth proportional to 55,007.16, 75,909.92 and 29,856.66 is: 41,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.16 : 75,909.92 = 29,856.66 : x
  2. Step 2: Convert to fraction form
    55,007.16/75,909.92 = 29,856.66/x
  3. Step 3: Cross multiply
    55,007.16x = 75,909.92 × 29,856.66
  4. Step 4: Simplify right side
    55,007.16x = 2,266,416,672.07
  5. Step 5: Solve for x
    x = 2,266,416,672.07/55,007.16
  6. Step 6: Final answer
    x = 41,202.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.