Home / 74,844.32-103,285.14-51,012.61

Finding the Fourth Proportional to 74,844.32, 103,285.14 and 51,012.61

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Solution

The fourth proportional to 74,844.32, 103,285.14 and 51,012.61 is: 70,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.32 : 103,285.14 = 51,012.61 : x
  2. Step 2: Convert to fraction form
    74,844.32/103,285.14 = 51,012.61/x
  3. Step 3: Cross multiply
    74,844.32x = 103,285.14 × 51,012.61
  4. Step 4: Simplify right side
    74,844.32x = 5,268,844,310.55
  5. Step 5: Solve for x
    x = 5,268,844,310.55/74,844.32
  6. Step 6: Final answer
    x = 70,397.38

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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.