Home / 104,924.12-157,327.85-42,521.72

Finding the Fourth Proportional to 104,924.12, 157,327.85 and 42,521.72

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Solution

The fourth proportional to 104,924.12, 157,327.85 and 42,521.72 is: 63,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,924.12 : 157,327.85 = 42,521.72 : x
  2. Step 2: Convert to fraction form
    104,924.12/157,327.85 = 42,521.72/x
  3. Step 3: Cross multiply
    104,924.12x = 157,327.85 × 42,521.72
  4. Step 4: Simplify right side
    104,924.12x = 6,689,850,105.57
  5. Step 5: Solve for x
    x = 6,689,850,105.57/104,924.12
  6. Step 6: Final answer
    x = 63,758.94

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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.