Home / 90,530.28-124,933.16-50,246.65

Finding the Fourth Proportional to 90,530.28, 124,933.16 and 50,246.65

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Solution

The fourth proportional to 90,530.28, 124,933.16 and 50,246.65 is: 69,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,530.28 : 124,933.16 = 50,246.65 : x
  2. Step 2: Convert to fraction form
    90,530.28/124,933.16 = 50,246.65/x
  3. Step 3: Cross multiply
    90,530.28x = 124,933.16 × 50,246.65
  4. Step 4: Simplify right side
    90,530.28x = 6,277,472,763.91
  5. Step 5: Solve for x
    x = 6,277,472,763.91/90,530.28
  6. Step 6: Final answer
    x = 69,341.14

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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.