Home / 91,523.86-126,376.41-73,561.30

Finding the Fourth Proportional to 91,523.86, 126,376.41 and 73,561.30

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Solution

The fourth proportional to 91,523.86, 126,376.41 and 73,561.30 is: 101,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,523.86 : 126,376.41 = 73,561.30 : x
  2. Step 2: Convert to fraction form
    91,523.86/126,376.41 = 73,561.30/x
  3. Step 3: Cross multiply
    91,523.86x = 126,376.41 × 73,561.30
  4. Step 4: Simplify right side
    91,523.86x = 9,296,413,008.93
  5. Step 5: Solve for x
    x = 9,296,413,008.93/91,523.86
  6. Step 6: Final answer
    x = 101,573.66

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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.