Home / 73,989.02-102,081.58-45,278.75

Finding the Fourth Proportional to 73,989.02, 102,081.58 and 45,278.75

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Solution

The fourth proportional to 73,989.02, 102,081.58 and 45,278.75 is: 62,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,989.02 : 102,081.58 = 45,278.75 : x
  2. Step 2: Convert to fraction form
    73,989.02/102,081.58 = 45,278.75/x
  3. Step 3: Cross multiply
    73,989.02x = 102,081.58 × 45,278.75
  4. Step 4: Simplify right side
    73,989.02x = 4,622,126,340.43
  5. Step 5: Solve for x
    x = 4,622,126,340.43/73,989.02
  6. Step 6: Final answer
    x = 62,470.44

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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.