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Finding the Fourth Proportional to 83,364.52, 125,046.24 and 21,035.08

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Solution

The fourth proportional to 83,364.52, 125,046.24 and 21,035.08 is: 31,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,364.52 : 125,046.24 = 21,035.08 : x
  2. Step 2: Convert to fraction form
    83,364.52/125,046.24 = 21,035.08/x
  3. Step 3: Cross multiply
    83,364.52x = 125,046.24 × 21,035.08
  4. Step 4: Simplify right side
    83,364.52x = 2,630,357,662.10
  5. Step 5: Solve for x
    x = 2,630,357,662.10/83,364.52
  6. Step 6: Final answer
    x = 31,552.48

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1.5x scale

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.