Home / 90,362.33-124,700.34-50,076.78

Finding the Fourth Proportional to 90,362.33, 124,700.34 and 50,076.78

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Solution

The fourth proportional to 90,362.33, 124,700.34 and 50,076.78 is: 69,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,362.33 : 124,700.34 = 50,076.78 : x
  2. Step 2: Convert to fraction form
    90,362.33/124,700.34 = 50,076.78/x
  3. Step 3: Cross multiply
    90,362.33x = 124,700.34 × 50,076.78
  4. Step 4: Simplify right side
    90,362.33x = 6,244,591,491.18
  5. Step 5: Solve for x
    x = 6,244,591,491.18/90,362.33
  6. Step 6: Final answer
    x = 69,106.13

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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.