Home / 107,863.98-148,853.03-60,120.40

Finding the Fourth Proportional to 107,863.98, 148,853.03 and 60,120.40

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Solution

The fourth proportional to 107,863.98, 148,853.03 and 60,120.40 is: 82,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,863.98 : 148,853.03 = 60,120.40 : x
  2. Step 2: Convert to fraction form
    107,863.98/148,853.03 = 60,120.40/x
  3. Step 3: Cross multiply
    107,863.98x = 148,853.03 × 60,120.40
  4. Step 4: Simplify right side
    107,863.98x = 8,949,103,983.46
  5. Step 5: Solve for x
    x = 8,949,103,983.46/107,863.98
  6. Step 6: Final answer
    x = 82,966.57

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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.