Home / 91,326.26-126,029.80-51,039.98

Finding the Fourth Proportional to 91,326.26, 126,029.80 and 51,039.98

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Solution

The fourth proportional to 91,326.26, 126,029.80 and 51,039.98 is: 70,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,326.26 : 126,029.80 = 51,039.98 : x
  2. Step 2: Convert to fraction form
    91,326.26/126,029.80 = 51,039.98/x
  3. Step 3: Cross multiply
    91,326.26x = 126,029.80 × 51,039.98
  4. Step 4: Simplify right side
    91,326.26x = 6,432,558,471.40
  5. Step 5: Solve for x
    x = 6,432,558,471.40/91,326.26
  6. Step 6: Final answer
    x = 70,434.93

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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.