Home / 53,712.74-80,562.84-14,272.92

Finding the Fourth Proportional to 53,712.74, 80,562.84 and 14,272.92

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Solution

The fourth proportional to 53,712.74, 80,562.84 and 14,272.92 is: 21,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.74 : 80,562.84 = 14,272.92 : x
  2. Step 2: Convert to fraction form
    53,712.74/80,562.84 = 14,272.92/x
  3. Step 3: Cross multiply
    53,712.74x = 80,562.84 × 14,272.92
  4. Step 4: Simplify right side
    53,712.74x = 1,149,866,970.29
  5. Step 5: Solve for x
    x = 1,149,866,970.29/53,712.74
  6. Step 6: Final answer
    x = 21,407.72

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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.