Home / 122,023.10-183,064.65-42,062.30

Finding the Fourth Proportional to 122,023.10, 183,064.65 and 42,062.30

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Solution

The fourth proportional to 122,023.10, 183,064.65 and 42,062.30 is: 63,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,023.10 : 183,064.65 = 42,062.30 : x
  2. Step 2: Convert to fraction form
    122,023.10/183,064.65 = 42,062.30/x
  3. Step 3: Cross multiply
    122,023.10x = 183,064.65 × 42,062.30
  4. Step 4: Simplify right side
    122,023.10x = 7,700,120,227.70
  5. Step 5: Solve for x
    x = 7,700,120,227.70/122,023.10
  6. Step 6: Final answer
    x = 63,103.79

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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.