Home / 70,321.97-97,044.36-38,491.04

Finding the Fourth Proportional to 70,321.97, 97,044.36 and 38,491.04

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Solution

The fourth proportional to 70,321.97, 97,044.36 and 38,491.04 is: 53,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.97 : 97,044.36 = 38,491.04 : x
  2. Step 2: Convert to fraction form
    70,321.97/97,044.36 = 38,491.04/x
  3. Step 3: Cross multiply
    70,321.97x = 97,044.36 × 38,491.04
  4. Step 4: Simplify right side
    70,321.97x = 3,735,338,440.80
  5. Step 5: Solve for x
    x = 3,735,338,440.80/70,321.97
  6. Step 6: Final answer
    x = 53,117.66

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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.