Home / 75,442.24-113,124.48-31,060.72

Finding the Fourth Proportional to 75,442.24, 113,124.48 and 31,060.72

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Solution

The fourth proportional to 75,442.24, 113,124.48 and 31,060.72 is: 46,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,442.24 : 113,124.48 = 31,060.72 : x
  2. Step 2: Convert to fraction form
    75,442.24/113,124.48 = 31,060.72/x
  3. Step 3: Cross multiply
    75,442.24x = 113,124.48 × 31,060.72
  4. Step 4: Simplify right side
    75,442.24x = 3,513,727,798.43
  5. Step 5: Solve for x
    x = 3,513,727,798.43/75,442.24
  6. Step 6: Final answer
    x = 46,575.07

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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.