Home / 69,920.29-96,491.49-38,089.12

Finding the Fourth Proportional to 69,920.29, 96,491.49 and 38,089.12

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Solution

The fourth proportional to 69,920.29, 96,491.49 and 38,089.12 is: 52,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.29 : 96,491.49 = 38,089.12 : x
  2. Step 2: Convert to fraction form
    69,920.29/96,491.49 = 38,089.12/x
  3. Step 3: Cross multiply
    69,920.29x = 96,491.49 × 38,089.12
  4. Step 4: Simplify right side
    69,920.29x = 3,675,275,941.59
  5. Step 5: Solve for x
    x = 3,675,275,941.59/69,920.29
  6. Step 6: Final answer
    x = 52,563.80

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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.