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Finding the Fourth Proportional to 83,254.75, 114,889.21 and 45,528.19

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Solution

The fourth proportional to 83,254.75, 114,889.21 and 45,528.19 is: 62,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,254.75 : 114,889.21 = 45,528.19 : x
  2. Step 2: Convert to fraction form
    83,254.75/114,889.21 = 45,528.19/x
  3. Step 3: Cross multiply
    83,254.75x = 114,889.21 × 45,528.19
  4. Step 4: Simplify right side
    83,254.75x = 5,230,697,781.83
  5. Step 5: Solve for x
    x = 5,230,697,781.83/83,254.75
  6. Step 6: Final answer
    x = 62,827.62

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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.