Home / 84,255.42-116,319.94-58,451.25

Finding the Fourth Proportional to 84,255.42, 116,319.94 and 58,451.25

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Solution

The fourth proportional to 84,255.42, 116,319.94 and 58,451.25 is: 80,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,255.42 : 116,319.94 = 58,451.25 : x
  2. Step 2: Convert to fraction form
    84,255.42/116,319.94 = 58,451.25/x
  3. Step 3: Cross multiply
    84,255.42x = 116,319.94 × 58,451.25
  4. Step 4: Simplify right side
    84,255.42x = 6,799,045,746.80
  5. Step 5: Solve for x
    x = 6,799,045,746.80/84,255.42
  6. Step 6: Final answer
    x = 80,695.65

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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.