Home / 99,348.66-137,031.75-67,462.20

Finding the Fourth Proportional to 99,348.66, 137,031.75 and 67,462.20

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Solution

The fourth proportional to 99,348.66, 137,031.75 and 67,462.20 is: 93,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,348.66 : 137,031.75 = 67,462.20 : x
  2. Step 2: Convert to fraction form
    99,348.66/137,031.75 = 67,462.20/x
  3. Step 3: Cross multiply
    99,348.66x = 137,031.75 × 67,462.20
  4. Step 4: Simplify right side
    99,348.66x = 9,244,463,324.85
  5. Step 5: Solve for x
    x = 9,244,463,324.85/99,348.66
  6. Step 6: Final answer
    x = 93,050.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.