Home / 70,132.32-96,778.68-39,925.02

Finding the Fourth Proportional to 70,132.32, 96,778.68 and 39,925.02

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Solution

The fourth proportional to 70,132.32, 96,778.68 and 39,925.02 is: 55,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132.32 : 96,778.68 = 39,925.02 : x
  2. Step 2: Convert to fraction form
    70,132.32/96,778.68 = 39,925.02/x
  3. Step 3: Cross multiply
    70,132.32x = 96,778.68 × 39,925.02
  4. Step 4: Simplify right side
    70,132.32x = 3,863,890,734.57
  5. Step 5: Solve for x
    x = 3,863,890,734.57/70,132.32
  6. Step 6: Final answer
    x = 55,094.30

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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.