Home / 115,454.34-159,330.78-67,052.52

Finding the Fourth Proportional to 115,454.34, 159,330.78 and 67,052.52

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Solution

The fourth proportional to 115,454.34, 159,330.78 and 67,052.52 is: 92,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,454.34 : 159,330.78 = 67,052.52 : x
  2. Step 2: Convert to fraction form
    115,454.34/159,330.78 = 67,052.52/x
  3. Step 3: Cross multiply
    115,454.34x = 159,330.78 × 67,052.52
  4. Step 4: Simplify right side
    115,454.34x = 10,683,530,312.57
  5. Step 5: Solve for x
    x = 10,683,530,312.57/115,454.34
  6. Step 6: Final answer
    x = 92,534.68

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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.