Home / 90,470.45-124,850.01-50,187.53

Finding the Fourth Proportional to 90,470.45, 124,850.01 and 50,187.53

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Solution

The fourth proportional to 90,470.45, 124,850.01 and 50,187.53 is: 69,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,470.45 : 124,850.01 = 50,187.53 : x
  2. Step 2: Convert to fraction form
    90,470.45/124,850.01 = 50,187.53/x
  3. Step 3: Cross multiply
    90,470.45x = 124,850.01 × 50,187.53
  4. Step 4: Simplify right side
    90,470.45x = 6,265,912,998.13
  5. Step 5: Solve for x
    x = 6,265,912,998.13/90,470.45
  6. Step 6: Final answer
    x = 69,259.23

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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.