Home / 90,531.45-124,931.03-50,244.18

Finding the Fourth Proportional to 90,531.45, 124,931.03 and 50,244.18

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Solution

The fourth proportional to 90,531.45, 124,931.03 and 50,244.18 is: 69,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.45 : 124,931.03 = 50,244.18 : x
  2. Step 2: Convert to fraction form
    90,531.45/124,931.03 = 50,244.18/x
  3. Step 3: Cross multiply
    90,531.45x = 124,931.03 × 50,244.18
  4. Step 4: Simplify right side
    90,531.45x = 6,277,056,907.68
  5. Step 5: Solve for x
    x = 6,277,056,907.68/90,531.45
  6. Step 6: Final answer
    x = 69,335.65

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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.