Home / 83,776.26-115,503.45-68,613.06

Finding the Fourth Proportional to 83,776.26, 115,503.45 and 68,613.06

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Solution

The fourth proportional to 83,776.26, 115,503.45 and 68,613.06 is: 94,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,776.26 : 115,503.45 = 68,613.06 : x
  2. Step 2: Convert to fraction form
    83,776.26/115,503.45 = 68,613.06/x
  3. Step 3: Cross multiply
    83,776.26x = 115,503.45 × 68,613.06
  4. Step 4: Simplify right side
    83,776.26x = 7,925,045,145.06
  5. Step 5: Solve for x
    x = 7,925,045,145.06/83,776.26
  6. Step 6: Final answer
    x = 94,597.74

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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.