Home / 70,677.19-97,540.10-40,472.02

Finding the Fourth Proportional to 70,677.19, 97,540.10 and 40,472.02

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Solution

The fourth proportional to 70,677.19, 97,540.10 and 40,472.02 is: 55,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.19 : 97,540.10 = 40,472.02 : x
  2. Step 2: Convert to fraction form
    70,677.19/97,540.10 = 40,472.02/x
  3. Step 3: Cross multiply
    70,677.19x = 97,540.10 × 40,472.02
  4. Step 4: Simplify right side
    70,677.19x = 3,947,644,878.00
  5. Step 5: Solve for x
    x = 3,947,644,878.00/70,677.19
  6. Step 6: Final answer
    x = 55,854.58

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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.