Home / 83,496.33-115,132.20-64,333.35

Finding the Fourth Proportional to 83,496.33, 115,132.20 and 64,333.35

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Solution

The fourth proportional to 83,496.33, 115,132.20 and 64,333.35 is: 88,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,496.33 : 115,132.20 = 64,333.35 : x
  2. Step 2: Convert to fraction form
    83,496.33/115,132.20 = 64,333.35/x
  3. Step 3: Cross multiply
    83,496.33x = 115,132.20 × 64,333.35
  4. Step 4: Simplify right side
    83,496.33x = 7,406,840,118.87
  5. Step 5: Solve for x
    x = 7,406,840,118.87/83,496.33
  6. Step 6: Final answer
    x = 88,708.57

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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.