Home / 60,827.52-91,254.72-18,711.36

Finding the Fourth Proportional to 60,827.52, 91,254.72 and 18,711.36

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Solution

The fourth proportional to 60,827.52, 91,254.72 and 18,711.36 is: 28,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,827.52 : 91,254.72 = 18,711.36 : x
  2. Step 2: Convert to fraction form
    60,827.52/91,254.72 = 18,711.36/x
  3. Step 3: Cross multiply
    60,827.52x = 91,254.72 × 18,711.36
  4. Step 4: Simplify right side
    60,827.52x = 1,707,499,917.62
  5. Step 5: Solve for x
    x = 1,707,499,917.62/60,827.52
  6. Step 6: Final answer
    x = 28,071.17

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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.