Home / 91,576.38-126,346.71-51,284.70

Finding the Fourth Proportional to 91,576.38, 126,346.71 and 51,284.70

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Solution

The fourth proportional to 91,576.38, 126,346.71 and 51,284.70 is: 70,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,576.38 : 126,346.71 = 51,284.70 : x
  2. Step 2: Convert to fraction form
    91,576.38/126,346.71 = 51,284.70/x
  3. Step 3: Cross multiply
    91,576.38x = 126,346.71 × 51,284.70
  4. Step 4: Simplify right side
    91,576.38x = 6,479,653,118.34
  5. Step 5: Solve for x
    x = 6,479,653,118.34/91,576.38
  6. Step 6: Final answer
    x = 70,756.82

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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.