Home / 66,726.18-100,128.78-24,635.61

Finding the Fourth Proportional to 66,726.18, 100,128.78 and 24,635.61

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Solution

The fourth proportional to 66,726.18, 100,128.78 and 24,635.61 is: 36,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726.18 : 100,128.78 = 24,635.61 : x
  2. Step 2: Convert to fraction form
    66,726.18/100,128.78 = 24,635.61/x
  3. Step 3: Cross multiply
    66,726.18x = 100,128.78 × 24,635.61
  4. Step 4: Simplify right side
    66,726.18x = 2,466,733,573.86
  5. Step 5: Solve for x
    x = 2,466,733,573.86/66,726.18
  6. Step 6: Final answer
    x = 36,968.00

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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.