Home / 70,677.32-97,540.27-40,472.15

Finding the Fourth Proportional to 70,677.32, 97,540.27 and 40,472.15

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Solution

The fourth proportional to 70,677.32, 97,540.27 and 40,472.15 is: 55,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.32 : 97,540.27 = 40,472.15 : x
  2. Step 2: Convert to fraction form
    70,677.32/97,540.27 = 40,472.15/x
  3. Step 3: Cross multiply
    70,677.32x = 97,540.27 × 40,472.15
  4. Step 4: Simplify right side
    70,677.32x = 3,947,664,438.48
  5. Step 5: Solve for x
    x = 3,947,664,438.48/70,677.32
  6. Step 6: Final answer
    x = 55,854.76

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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.