Home / 70,910.30-97,851.56-39,079.18

Finding the Fourth Proportional to 70,910.30, 97,851.56 and 39,079.18

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Solution

The fourth proportional to 70,910.30, 97,851.56 and 39,079.18 is: 53,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910.30 : 97,851.56 = 39,079.18 : x
  2. Step 2: Convert to fraction form
    70,910.30/97,851.56 = 39,079.18/x
  3. Step 3: Cross multiply
    70,910.30x = 97,851.56 × 39,079.18
  4. Step 4: Simplify right side
    70,910.30x = 3,823,958,726.52
  5. Step 5: Solve for x
    x = 3,823,958,726.52/70,910.30
  6. Step 6: Final answer
    x = 53,926.70

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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.