Home / 70,117.44-96,760.85-39,902.14

Finding the Fourth Proportional to 70,117.44, 96,760.85 and 39,902.14

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Solution

The fourth proportional to 70,117.44, 96,760.85 and 39,902.14 is: 55,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,117.44 : 96,760.85 = 39,902.14 : x
  2. Step 2: Convert to fraction form
    70,117.44/96,760.85 = 39,902.14/x
  3. Step 3: Cross multiply
    70,117.44x = 96,760.85 × 39,902.14
  4. Step 4: Simplify right side
    70,117.44x = 3,860,964,983.22
  5. Step 5: Solve for x
    x = 3,860,964,983.22/70,117.44
  6. Step 6: Final answer
    x = 55,064.26

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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.