Home / 91,706.15-126,560.54-51,422.49

Finding the Fourth Proportional to 91,706.15, 126,560.54 and 51,422.49

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Solution

The fourth proportional to 91,706.15, 126,560.54 and 51,422.49 is: 70,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,706.15 : 126,560.54 = 51,422.49 : x
  2. Step 2: Convert to fraction form
    91,706.15/126,560.54 = 51,422.49/x
  3. Step 3: Cross multiply
    91,706.15x = 126,560.54 × 51,422.49
  4. Step 4: Simplify right side
    91,706.15x = 6,508,058,102.54
  5. Step 5: Solve for x
    x = 6,508,058,102.54/91,706.15
  6. Step 6: Final answer
    x = 70,966.43

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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.