Home / 70,320.70-97,042.68-38,491.61

Finding the Fourth Proportional to 70,320.70, 97,042.68 and 38,491.61

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Solution

The fourth proportional to 70,320.70, 97,042.68 and 38,491.61 is: 53,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.70 : 97,042.68 = 38,491.61 : x
  2. Step 2: Convert to fraction form
    70,320.70/97,042.68 = 38,491.61/x
  3. Step 3: Cross multiply
    70,320.70x = 97,042.68 × 38,491.61
  4. Step 4: Simplify right side
    70,320.70x = 3,735,329,234.52
  5. Step 5: Solve for x
    x = 3,735,329,234.52/70,320.70
  6. Step 6: Final answer
    x = 53,118.49

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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.