Home / 83,241.45-114,886.10-65,471.18

Finding the Fourth Proportional to 83,241.45, 114,886.10 and 65,471.18

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Solution

The fourth proportional to 83,241.45, 114,886.10 and 65,471.18 is: 90,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,241.45 : 114,886.10 = 65,471.18 : x
  2. Step 2: Convert to fraction form
    83,241.45/114,886.10 = 65,471.18/x
  3. Step 3: Cross multiply
    83,241.45x = 114,886.10 × 65,471.18
  4. Step 4: Simplify right side
    83,241.45x = 7,521,727,630.81
  5. Step 5: Solve for x
    x = 7,521,727,630.81/83,241.45
  6. Step 6: Final answer
    x = 90,360.36

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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.