Home / 92,541.29-138,601.18-72,425.30

Finding the Fourth Proportional to 92,541.29, 138,601.18 and 72,425.30

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Solution

The fourth proportional to 92,541.29, 138,601.18 and 72,425.30 is: 108,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,541.29 : 138,601.18 = 72,425.30 : x
  2. Step 2: Convert to fraction form
    92,541.29/138,601.18 = 72,425.30/x
  3. Step 3: Cross multiply
    92,541.29x = 138,601.18 × 72,425.30
  4. Step 4: Simplify right side
    92,541.29x = 10,038,232,041.85
  5. Step 5: Solve for x
    x = 10,038,232,041.85/92,541.29
  6. Step 6: Final answer
    x = 108,473.01

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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.