Home / 67,848.10-93,618.27-40,972.61

Finding the Fourth Proportional to 67,848.10, 93,618.27 and 40,972.61

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Solution

The fourth proportional to 67,848.10, 93,618.27 and 40,972.61 is: 56,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,848.10 : 93,618.27 = 40,972.61 : x
  2. Step 2: Convert to fraction form
    67,848.10/93,618.27 = 40,972.61/x
  3. Step 3: Cross multiply
    67,848.10x = 93,618.27 × 40,972.61
  4. Step 4: Simplify right side
    67,848.10x = 3,835,785,099.63
  5. Step 5: Solve for x
    x = 3,835,785,099.63/67,848.10
  6. Step 6: Final answer
    x = 56,534.90

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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.