Home / 74,977.11-103,471.55-43,146.13

Finding the Fourth Proportional to 74,977.11, 103,471.55 and 43,146.13

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Solution

The fourth proportional to 74,977.11, 103,471.55 and 43,146.13 is: 59,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,977.11 : 103,471.55 = 43,146.13 : x
  2. Step 2: Convert to fraction form
    74,977.11/103,471.55 = 43,146.13/x
  3. Step 3: Cross multiply
    74,977.11x = 103,471.55 × 43,146.13
  4. Step 4: Simplify right side
    74,977.11x = 4,464,396,947.60
  5. Step 5: Solve for x
    x = 4,464,396,947.60/74,977.11
  6. Step 6: Final answer
    x = 59,543.47

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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.