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Finding the Fourth Proportional to 85,223.87, 117,612.95 and 47,498.39

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Solution

The fourth proportional to 85,223.87, 117,612.95 and 47,498.39 is: 65,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223.87 : 117,612.95 = 47,498.39 : x
  2. Step 2: Convert to fraction form
    85,223.87/117,612.95 = 47,498.39/x
  3. Step 3: Cross multiply
    85,223.87x = 117,612.95 × 47,498.39
  4. Step 4: Simplify right side
    85,223.87x = 5,586,425,768.15
  5. Step 5: Solve for x
    x = 5,586,425,768.15/85,223.87
  6. Step 6: Final answer
    x = 65,550.01

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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.