Home / 63,121.02-87,112.20-36,268.70

Finding the Fourth Proportional to 63,121.02, 87,112.20 and 36,268.70

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Solution

The fourth proportional to 63,121.02, 87,112.20 and 36,268.70 is: 50,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.02 : 87,112.20 = 36,268.70 : x
  2. Step 2: Convert to fraction form
    63,121.02/87,112.20 = 36,268.70/x
  3. Step 3: Cross multiply
    63,121.02x = 87,112.20 × 36,268.70
  4. Step 4: Simplify right side
    63,121.02x = 3,159,446,248.14
  5. Step 5: Solve for x
    x = 3,159,446,248.14/63,121.02
  6. Step 6: Final answer
    x = 50,053.79

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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.