Home / 91,325.88-126,029.34-51,039.66

Finding the Fourth Proportional to 91,325.88, 126,029.34 and 51,039.66

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Solution

The fourth proportional to 91,325.88, 126,029.34 and 51,039.66 is: 70,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,325.88 : 126,029.34 = 51,039.66 : x
  2. Step 2: Convert to fraction form
    91,325.88/126,029.34 = 51,039.66/x
  3. Step 3: Cross multiply
    91,325.88x = 126,029.34 × 51,039.66
  4. Step 4: Simplify right side
    91,325.88x = 6,432,494,663.62
  5. Step 5: Solve for x
    x = 6,432,494,663.62/91,325.88
  6. Step 6: Final answer
    x = 70,434.52

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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.