Home / 83,734.32-115,537.08-53,496.42

Finding the Fourth Proportional to 83,734.32, 115,537.08 and 53,496.42

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Solution

The fourth proportional to 83,734.32, 115,537.08 and 53,496.42 is: 73,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734.32 : 115,537.08 = 53,496.42 : x
  2. Step 2: Convert to fraction form
    83,734.32/115,537.08 = 53,496.42/x
  3. Step 3: Cross multiply
    83,734.32x = 115,537.08 × 53,496.42
  4. Step 4: Simplify right side
    83,734.32x = 6,180,820,157.25
  5. Step 5: Solve for x
    x = 6,180,820,157.25/83,734.32
  6. Step 6: Final answer
    x = 73,814.66

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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.