Home / 91,726.04-126,570.66-53,993

Finding the Fourth Proportional to 91,726.04, 126,570.66 and 53,993

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Solution

The fourth proportional to 91,726.04, 126,570.66 and 53,993 is: 74,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,726.04 : 126,570.66 = 53,993 : x
  2. Step 2: Convert to fraction form
    91,726.04/126,570.66 = 53,993/x
  3. Step 3: Cross multiply
    91,726.04x = 126,570.66 × 53,993
  4. Step 4: Simplify right side
    91,726.04x = 6,833,929,645.38
  5. Step 5: Solve for x
    x = 6,833,929,645.38/91,726.04
  6. Step 6: Final answer
    x = 74,503.70

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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.