Home / 90,508.28-124,904.28-50,225

Finding the Fourth Proportional to 90,508.28, 124,904.28 and 50,225

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Solution

The fourth proportional to 90,508.28, 124,904.28 and 50,225 is: 69,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,508.28 : 124,904.28 = 50,225 : x
  2. Step 2: Convert to fraction form
    90,508.28/124,904.28 = 50,225/x
  3. Step 3: Cross multiply
    90,508.28x = 124,904.28 × 50,225
  4. Step 4: Simplify right side
    90,508.28x = 6,273,317,463
  5. Step 5: Solve for x
    x = 6,273,317,463/90,508.28
  6. Step 6: Final answer
    x = 69,312.08

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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.