Home / 91,178.56-125,827.28-50,894

Finding the Fourth Proportional to 91,178.56, 125,827.28 and 50,894

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Solution

The fourth proportional to 91,178.56, 125,827.28 and 50,894 is: 70,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,178.56 : 125,827.28 = 50,894 : x
  2. Step 2: Convert to fraction form
    91,178.56/125,827.28 = 50,894/x
  3. Step 3: Cross multiply
    91,178.56x = 125,827.28 × 50,894
  4. Step 4: Simplify right side
    91,178.56x = 6,403,853,588.32
  5. Step 5: Solve for x
    x = 6,403,853,588.32/91,178.56
  6. Step 6: Final answer
    x = 70,234.20

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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.