Home / 123,430.61-185,152.24-34,691.03

Finding the Fourth Proportional to 123,430.61, 185,152.24 and 34,691.03

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Solution

The fourth proportional to 123,430.61, 185,152.24 and 34,691.03 is: 52,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,430.61 : 185,152.24 = 34,691.03 : x
  2. Step 2: Convert to fraction form
    123,430.61/185,152.24 = 34,691.03/x
  3. Step 3: Cross multiply
    123,430.61x = 185,152.24 × 34,691.03
  4. Step 4: Simplify right side
    123,430.61x = 6,423,121,912.41
  5. Step 5: Solve for x
    x = 6,423,121,912.41/123,430.61
  6. Step 6: Final answer
    x = 52,038.32

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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.