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Finding the Fourth Proportional to 85,459.63, 117,834.24 and 58,251.82

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Solution

The fourth proportional to 85,459.63, 117,834.24 and 58,251.82 is: 80,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,459.63 : 117,834.24 = 58,251.82 : x
  2. Step 2: Convert to fraction form
    85,459.63/117,834.24 = 58,251.82/x
  3. Step 3: Cross multiply
    85,459.63x = 117,834.24 × 58,251.82
  4. Step 4: Simplify right side
    85,459.63x = 6,864,058,755.45
  5. Step 5: Solve for x
    x = 6,864,058,755.45/85,459.63
  6. Step 6: Final answer
    x = 80,319.31

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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.