Home / 66,925.30-92,359.81-40,062.61

Finding the Fourth Proportional to 66,925.30, 92,359.81 and 40,062.61

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Solution

The fourth proportional to 66,925.30, 92,359.81 and 40,062.61 is: 55,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925.30 : 92,359.81 = 40,062.61 : x
  2. Step 2: Convert to fraction form
    66,925.30/92,359.81 = 40,062.61/x
  3. Step 3: Cross multiply
    66,925.30x = 92,359.81 × 40,062.61
  4. Step 4: Simplify right side
    66,925.30x = 3,700,175,047.70
  5. Step 5: Solve for x
    x = 3,700,175,047.70/66,925.30
  6. Step 6: Final answer
    x = 55,288.14

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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.