Home / 74,685.12-103,060.80-41,151.12

Finding the Fourth Proportional to 74,685.12, 103,060.80 and 41,151.12

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Solution

The fourth proportional to 74,685.12, 103,060.80 and 41,151.12 is: 56,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,685.12 : 103,060.80 = 41,151.12 : x
  2. Step 2: Convert to fraction form
    74,685.12/103,060.80 = 41,151.12/x
  3. Step 3: Cross multiply
    74,685.12x = 103,060.80 × 41,151.12
  4. Step 4: Simplify right side
    74,685.12x = 4,241,067,348.10
  5. Step 5: Solve for x
    x = 4,241,067,348.10/74,685.12
  6. Step 6: Final answer
    x = 56,785.97

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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.