Home / 90,304.53-124,620.12-50,018.28

Finding the Fourth Proportional to 90,304.53, 124,620.12 and 50,018.28

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Solution

The fourth proportional to 90,304.53, 124,620.12 and 50,018.28 is: 69,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304.53 : 124,620.12 = 50,018.28 : x
  2. Step 2: Convert to fraction form
    90,304.53/124,620.12 = 50,018.28/x
  3. Step 3: Cross multiply
    90,304.53x = 124,620.12 × 50,018.28
  4. Step 4: Simplify right side
    90,304.53x = 6,233,284,055.79
  5. Step 5: Solve for x
    x = 6,233,284,055.79/90,304.53
  6. Step 6: Final answer
    x = 69,025.15

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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.