Home / 70,512.24-97,306.35-38,680.92

Finding the Fourth Proportional to 70,512.24, 97,306.35 and 38,680.92

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Solution

The fourth proportional to 70,512.24, 97,306.35 and 38,680.92 is: 53,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512.24 : 97,306.35 = 38,680.92 : x
  2. Step 2: Convert to fraction form
    70,512.24/97,306.35 = 38,680.92/x
  3. Step 3: Cross multiply
    70,512.24x = 97,306.35 × 38,680.92
  4. Step 4: Simplify right side
    70,512.24x = 3,763,899,139.84
  5. Step 5: Solve for x
    x = 3,763,899,139.84/70,512.24
  6. Step 6: Final answer
    x = 53,379.37

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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.