Home / 91,299.26-125,990.62-51,013.35

Finding the Fourth Proportional to 91,299.26, 125,990.62 and 51,013.35

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Solution

The fourth proportional to 91,299.26, 125,990.62 and 51,013.35 is: 70,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,299.26 : 125,990.62 = 51,013.35 : x
  2. Step 2: Convert to fraction form
    91,299.26/125,990.62 = 51,013.35/x
  3. Step 3: Cross multiply
    91,299.26x = 125,990.62 × 51,013.35
  4. Step 4: Simplify right side
    91,299.26x = 6,427,203,594.78
  5. Step 5: Solve for x
    x = 6,427,203,594.78/91,299.26
  6. Step 6: Final answer
    x = 70,397.11

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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.