Home / 91,761.02-126,631.53-53,519.48

Finding the Fourth Proportional to 91,761.02, 126,631.53 and 53,519.48

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Solution

The fourth proportional to 91,761.02, 126,631.53 and 53,519.48 is: 73,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761.02 : 126,631.53 = 53,519.48 : x
  2. Step 2: Convert to fraction form
    91,761.02/126,631.53 = 53,519.48/x
  3. Step 3: Cross multiply
    91,761.02x = 126,631.53 × 53,519.48
  4. Step 4: Simplify right side
    91,761.02x = 6,777,253,637.20
  5. Step 5: Solve for x
    x = 6,777,253,637.20/91,761.02
  6. Step 6: Final answer
    x = 73,857.65

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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.