Home / 90,617.36-125,061.76-54,827.11

Finding the Fourth Proportional to 90,617.36, 125,061.76 and 54,827.11

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Solution

The fourth proportional to 90,617.36, 125,061.76 and 54,827.11 is: 75,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,617.36 : 125,061.76 = 54,827.11 : x
  2. Step 2: Convert to fraction form
    90,617.36/125,061.76 = 54,827.11/x
  3. Step 3: Cross multiply
    90,617.36x = 125,061.76 × 54,827.11
  4. Step 4: Simplify right side
    90,617.36x = 6,856,773,972.87
  5. Step 5: Solve for x
    x = 6,856,773,972.87/90,617.36
  6. Step 6: Final answer
    x = 75,667.33

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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.