Home / 91,872.02-126,761.73-52,128.02

Finding the Fourth Proportional to 91,872.02, 126,761.73 and 52,128.02

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Solution

The fourth proportional to 91,872.02, 126,761.73 and 52,128.02 is: 71,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,872.02 : 126,761.73 = 52,128.02 : x
  2. Step 2: Convert to fraction form
    91,872.02/126,761.73 = 52,128.02/x
  3. Step 3: Cross multiply
    91,872.02x = 126,761.73 × 52,128.02
  4. Step 4: Simplify right side
    91,872.02x = 6,607,837,996.67
  5. Step 5: Solve for x
    x = 6,607,837,996.67/91,872.02
  6. Step 6: Final answer
    x = 71,924.38

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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.