Home / 107,935.40-148,951.51-60,191.78

Finding the Fourth Proportional to 107,935.40, 148,951.51 and 60,191.78

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Solution

The fourth proportional to 107,935.40, 148,951.51 and 60,191.78 is: 83,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,935.40 : 148,951.51 = 60,191.78 : x
  2. Step 2: Convert to fraction form
    107,935.40/148,951.51 = 60,191.78/x
  3. Step 3: Cross multiply
    107,935.40x = 148,951.51 × 60,191.78
  4. Step 4: Simplify right side
    107,935.40x = 8,965,655,625.35
  5. Step 5: Solve for x
    x = 8,965,655,625.35/107,935.40
  6. Step 6: Final answer
    x = 83,065.01

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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.