Home / 91,532.33-126,308.63-51,245.72

Finding the Fourth Proportional to 91,532.33, 126,308.63 and 51,245.72

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Solution

The fourth proportional to 91,532.33, 126,308.63 and 51,245.72 is: 70,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,532.33 : 126,308.63 = 51,245.72 : x
  2. Step 2: Convert to fraction form
    91,532.33/126,308.63 = 51,245.72/x
  3. Step 3: Cross multiply
    91,532.33x = 126,308.63 × 51,245.72
  4. Step 4: Simplify right side
    91,532.33x = 6,472,776,686.56
  5. Step 5: Solve for x
    x = 6,472,776,686.56/91,532.33
  6. Step 6: Final answer
    x = 70,715.74

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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.