Home / 70,587.27-97,418.15-40,375.35

Finding the Fourth Proportional to 70,587.27, 97,418.15 and 40,375.35

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Solution

The fourth proportional to 70,587.27, 97,418.15 and 40,375.35 is: 55,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.27 : 97,418.15 = 40,375.35 : x
  2. Step 2: Convert to fraction form
    70,587.27/97,418.15 = 40,375.35/x
  3. Step 3: Cross multiply
    70,587.27x = 97,418.15 × 40,375.35
  4. Step 4: Simplify right side
    70,587.27x = 3,933,291,902.60
  5. Step 5: Solve for x
    x = 3,933,291,902.60/70,587.27
  6. Step 6: Final answer
    x = 55,722.40

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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.