Home / 70,542.48-97,348.35-38,711.91

Finding the Fourth Proportional to 70,542.48, 97,348.35 and 38,711.91

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Solution

The fourth proportional to 70,542.48, 97,348.35 and 38,711.91 is: 53,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,542.48 : 97,348.35 = 38,711.91 : x
  2. Step 2: Convert to fraction form
    70,542.48/97,348.35 = 38,711.91/x
  3. Step 3: Cross multiply
    70,542.48x = 97,348.35 × 38,711.91
  4. Step 4: Simplify right side
    70,542.48x = 3,768,540,563.85
  5. Step 5: Solve for x
    x = 3,768,540,563.85/70,542.48
  6. Step 6: Final answer
    x = 53,422.29

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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.