Home / 90,304.09-124,620.72-50,018.65

Finding the Fourth Proportional to 90,304.09, 124,620.72 and 50,018.65

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Solution

The fourth proportional to 90,304.09, 124,620.72 and 50,018.65 is: 69,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304.09 : 124,620.72 = 50,018.65 : x
  2. Step 2: Convert to fraction form
    90,304.09/124,620.72 = 50,018.65/x
  3. Step 3: Cross multiply
    90,304.09x = 124,620.72 × 50,018.65
  4. Step 4: Simplify right side
    90,304.09x = 6,233,360,176.43
  5. Step 5: Solve for x
    x = 6,233,360,176.43/90,304.09
  6. Step 6: Final answer
    x = 69,026.33

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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.