Home / 67,900.15-93,637.11-40,671.88

Finding the Fourth Proportional to 67,900.15, 93,637.11 and 40,671.88

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Solution

The fourth proportional to 67,900.15, 93,637.11 and 40,671.88 is: 56,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900.15 : 93,637.11 = 40,671.88 : x
  2. Step 2: Convert to fraction form
    67,900.15/93,637.11 = 40,671.88/x
  3. Step 3: Cross multiply
    67,900.15x = 93,637.11 × 40,671.88
  4. Step 4: Simplify right side
    67,900.15x = 3,808,397,301.47
  5. Step 5: Solve for x
    x = 3,808,397,301.47/67,900.15
  6. Step 6: Final answer
    x = 56,088.20

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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.