Home / 85,332.20-127,894.48-60,379.44

Finding the Fourth Proportional to 85,332.20, 127,894.48 and 60,379.44

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Solution

The fourth proportional to 85,332.20, 127,894.48 and 60,379.44 is: 90,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,332.20 : 127,894.48 = 60,379.44 : x
  2. Step 2: Convert to fraction form
    85,332.20/127,894.48 = 60,379.44/x
  3. Step 3: Cross multiply
    85,332.20x = 127,894.48 × 60,379.44
  4. Step 4: Simplify right side
    85,332.20x = 7,722,197,081.49
  5. Step 5: Solve for x
    x = 7,722,197,081.49/85,332.20
  6. Step 6: Final answer
    x = 90,495.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.