Home / 58,766.40-88,162.56-19,321.92

Finding the Fourth Proportional to 58,766.40, 88,162.56 and 19,321.92

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Solution

The fourth proportional to 58,766.40, 88,162.56 and 19,321.92 is: 28,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,766.40 : 88,162.56 = 19,321.92 : x
  2. Step 2: Convert to fraction form
    58,766.40/88,162.56 = 19,321.92/x
  3. Step 3: Cross multiply
    58,766.40x = 88,162.56 × 19,321.92
  4. Step 4: Simplify right side
    58,766.40x = 1,703,469,931.32
  5. Step 5: Solve for x
    x = 1,703,469,931.32/58,766.40
  6. Step 6: Final answer
    x = 28,987.14

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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.