Home / 124,920.08-187,410.12-36,179.72

Finding the Fourth Proportional to 124,920.08, 187,410.12 and 36,179.72

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Solution

The fourth proportional to 124,920.08, 187,410.12 and 36,179.72 is: 54,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.08 : 187,410.12 = 36,179.72 : x
  2. Step 2: Convert to fraction form
    124,920.08/187,410.12 = 36,179.72/x
  3. Step 3: Cross multiply
    124,920.08x = 187,410.12 × 36,179.72
  4. Step 4: Simplify right side
    124,920.08x = 6,780,445,666.77
  5. Step 5: Solve for x
    x = 6,780,445,666.77/124,920.08
  6. Step 6: Final answer
    x = 54,278.27

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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.