Home / 91,381.80-126,106.46-51,095.57

Finding the Fourth Proportional to 91,381.80, 126,106.46 and 51,095.57

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Solution

The fourth proportional to 91,381.80, 126,106.46 and 51,095.57 is: 70,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,381.80 : 126,106.46 = 51,095.57 : x
  2. Step 2: Convert to fraction form
    91,381.80/126,106.46 = 51,095.57/x
  3. Step 3: Cross multiply
    91,381.80x = 126,106.46 × 51,095.57
  4. Step 4: Simplify right side
    91,381.80x = 6,443,480,951.59
  5. Step 5: Solve for x
    x = 6,443,480,951.59/91,381.80
  6. Step 6: Final answer
    x = 70,511.64

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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.