Home / 83,657.37-115,447.38-45,934.05

Finding the Fourth Proportional to 83,657.37, 115,447.38 and 45,934.05

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Solution

The fourth proportional to 83,657.37, 115,447.38 and 45,934.05 is: 63,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,657.37 : 115,447.38 = 45,934.05 : x
  2. Step 2: Convert to fraction form
    83,657.37/115,447.38 = 45,934.05/x
  3. Step 3: Cross multiply
    83,657.37x = 115,447.38 × 45,934.05
  4. Step 4: Simplify right side
    83,657.37x = 5,302,965,725.29
  5. Step 5: Solve for x
    x = 5,302,965,725.29/83,657.37
  6. Step 6: Final answer
    x = 63,389.10

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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.