Home / 113,354.42-170,031.76-42,275.97

Finding the Fourth Proportional to 113,354.42, 170,031.76 and 42,275.97

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Solution

The fourth proportional to 113,354.42, 170,031.76 and 42,275.97 is: 63,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,354.42 : 170,031.76 = 42,275.97 : x
  2. Step 2: Convert to fraction form
    113,354.42/170,031.76 = 42,275.97/x
  3. Step 3: Cross multiply
    113,354.42x = 170,031.76 × 42,275.97
  4. Step 4: Simplify right side
    113,354.42x = 7,188,257,479.12
  5. Step 5: Solve for x
    x = 7,188,257,479.12/113,354.42
  6. Step 6: Final answer
    x = 63,414.01

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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.