Home / 83,676.83-115,474.02-45,436.19

Finding the Fourth Proportional to 83,676.83, 115,474.02 and 45,436.19

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Solution

The fourth proportional to 83,676.83, 115,474.02 and 45,436.19 is: 62,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,676.83 : 115,474.02 = 45,436.19 : x
  2. Step 2: Convert to fraction form
    83,676.83/115,474.02 = 45,436.19/x
  3. Step 3: Cross multiply
    83,676.83x = 115,474.02 × 45,436.19
  4. Step 4: Simplify right side
    83,676.83x = 5,246,699,512.78
  5. Step 5: Solve for x
    x = 5,246,699,512.78/83,676.83
  6. Step 6: Final answer
    x = 62,701.94

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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.