Home / 70,418.28-97,176.69-38,587.11

Finding the Fourth Proportional to 70,418.28, 97,176.69 and 38,587.11

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Solution

The fourth proportional to 70,418.28, 97,176.69 and 38,587.11 is: 53,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,418.28 : 97,176.69 = 38,587.11 : x
  2. Step 2: Convert to fraction form
    70,418.28/97,176.69 = 38,587.11/x
  3. Step 3: Cross multiply
    70,418.28x = 97,176.69 × 38,587.11
  4. Step 4: Simplify right side
    70,418.28x = 3,749,767,626.47
  5. Step 5: Solve for x
    x = 3,749,767,626.47/70,418.28
  6. Step 6: Final answer
    x = 53,249.92

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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.