Home / 91,852.80-126,755.73-51,565.53

Finding the Fourth Proportional to 91,852.80, 126,755.73 and 51,565.53

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Solution

The fourth proportional to 91,852.80, 126,755.73 and 51,565.53 is: 71,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,852.80 : 126,755.73 = 51,565.53 : x
  2. Step 2: Convert to fraction form
    91,852.80/126,755.73 = 51,565.53/x
  3. Step 3: Cross multiply
    91,852.80x = 126,755.73 × 51,565.53
  4. Step 4: Simplify right side
    91,852.80x = 6,536,226,397.99
  5. Step 5: Solve for x
    x = 6,536,226,397.99/91,852.80
  6. Step 6: Final answer
    x = 71,159.79

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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.