Home / 91,799.32-126,672.78-51,504.70

Finding the Fourth Proportional to 91,799.32, 126,672.78 and 51,504.70

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Solution

The fourth proportional to 91,799.32, 126,672.78 and 51,504.70 is: 71,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.32 : 126,672.78 = 51,504.70 : x
  2. Step 2: Convert to fraction form
    91,799.32/126,672.78 = 51,504.70/x
  3. Step 3: Cross multiply
    91,799.32x = 126,672.78 × 51,504.70
  4. Step 4: Simplify right side
    91,799.32x = 6,524,243,532.07
  5. Step 5: Solve for x
    x = 6,524,243,532.07/91,799.32
  6. Step 6: Final answer
    x = 71,070.72

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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.