Home / 91,347.05-126,074.97-53,118.43

Finding the Fourth Proportional to 91,347.05, 126,074.97 and 53,118.43

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Solution

The fourth proportional to 91,347.05, 126,074.97 and 53,118.43 is: 73,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,347.05 : 126,074.97 = 53,118.43 : x
  2. Step 2: Convert to fraction form
    91,347.05/126,074.97 = 53,118.43/x
  3. Step 3: Cross multiply
    91,347.05x = 126,074.97 × 53,118.43
  4. Step 4: Simplify right side
    91,347.05x = 6,696,904,468.70
  5. Step 5: Solve for x
    x = 6,696,904,468.70/91,347.05
  6. Step 6: Final answer
    x = 73,312.76

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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.