Home / 90,307.28-124,622.74-50,020.92

Finding the Fourth Proportional to 90,307.28, 124,622.74 and 50,020.92

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Solution

The fourth proportional to 90,307.28, 124,622.74 and 50,020.92 is: 69,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,307.28 : 124,622.74 = 50,020.92 : x
  2. Step 2: Convert to fraction form
    90,307.28/124,622.74 = 50,020.92/x
  3. Step 3: Cross multiply
    90,307.28x = 124,622.74 × 50,020.92
  4. Step 4: Simplify right side
    90,307.28x = 6,233,744,107.72
  5. Step 5: Solve for x
    x = 6,233,744,107.72/90,307.28
  6. Step 6: Final answer
    x = 69,028.15

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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.