Home / 107,691.15-148,611.28-67,427.11

Finding the Fourth Proportional to 107,691.15, 148,611.28 and 67,427.11

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Solution

The fourth proportional to 107,691.15, 148,611.28 and 67,427.11 is: 93,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,691.15 : 148,611.28 = 67,427.11 : x
  2. Step 2: Convert to fraction form
    107,691.15/148,611.28 = 67,427.11/x
  3. Step 3: Cross multiply
    107,691.15x = 148,611.28 × 67,427.11
  4. Step 4: Simplify right side
    107,691.15x = 10,020,429,039.09
  5. Step 5: Solve for x
    x = 10,020,429,039.09/107,691.15
  6. Step 6: Final answer
    x = 93,047.85

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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.