Home / 123,419.10-185,128.65-29,924.70

Finding the Fourth Proportional to 123,419.10, 185,128.65 and 29,924.70

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Solution

The fourth proportional to 123,419.10, 185,128.65 and 29,924.70 is: 44,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,419.10 : 185,128.65 = 29,924.70 : x
  2. Step 2: Convert to fraction form
    123,419.10/185,128.65 = 29,924.70/x
  3. Step 3: Cross multiply
    123,419.10x = 185,128.65 × 29,924.70
  4. Step 4: Simplify right side
    123,419.10x = 5,539,919,312.66
  5. Step 5: Solve for x
    x = 5,539,919,312.66/123,419.10
  6. Step 6: Final answer
    x = 44,887.05

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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.