Home / 88,018.86-121,466.10-47,732.61

Finding the Fourth Proportional to 88,018.86, 121,466.10 and 47,732.61

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Solution

The fourth proportional to 88,018.86, 121,466.10 and 47,732.61 is: 65,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,018.86 : 121,466.10 = 47,732.61 : x
  2. Step 2: Convert to fraction form
    88,018.86/121,466.10 = 47,732.61/x
  3. Step 3: Cross multiply
    88,018.86x = 121,466.10 × 47,732.61
  4. Step 4: Simplify right side
    88,018.86x = 5,797,893,979.52
  5. Step 5: Solve for x
    x = 5,797,893,979.52/88,018.86
  6. Step 6: Final answer
    x = 65,871.04

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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.