Home / 55,904.10-83,856.14-38,320.62

Finding the Fourth Proportional to 55,904.10, 83,856.14 and 38,320.62

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Solution

The fourth proportional to 55,904.10, 83,856.14 and 38,320.62 is: 57,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,904.10 : 83,856.14 = 38,320.62 : x
  2. Step 2: Convert to fraction form
    55,904.10/83,856.14 = 38,320.62/x
  3. Step 3: Cross multiply
    55,904.10x = 83,856.14 × 38,320.62
  4. Step 4: Simplify right side
    55,904.10x = 3,213,419,275.61
  5. Step 5: Solve for x
    x = 3,213,419,275.61/55,904.10
  6. Step 6: Final answer
    x = 57,480.92

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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.