Home / 90,521.89-124,920.27-50,235.68

Finding the Fourth Proportional to 90,521.89, 124,920.27 and 50,235.68

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Solution

The fourth proportional to 90,521.89, 124,920.27 and 50,235.68 is: 69,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,521.89 : 124,920.27 = 50,235.68 : x
  2. Step 2: Convert to fraction form
    90,521.89/124,920.27 = 50,235.68/x
  3. Step 3: Cross multiply
    90,521.89x = 124,920.27 × 50,235.68
  4. Step 4: Simplify right side
    90,521.89x = 6,275,454,084.63
  5. Step 5: Solve for x
    x = 6,275,454,084.63/90,521.89
  6. Step 6: Final answer
    x = 69,325.27

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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.