Home / 90,547.62-124,949.79-50,259.42

Finding the Fourth Proportional to 90,547.62, 124,949.79 and 50,259.42

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Solution

The fourth proportional to 90,547.62, 124,949.79 and 50,259.42 is: 69,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.62 : 124,949.79 = 50,259.42 : x
  2. Step 2: Convert to fraction form
    90,547.62/124,949.79 = 50,259.42/x
  3. Step 3: Cross multiply
    90,547.62x = 124,949.79 × 50,259.42
  4. Step 4: Simplify right side
    90,547.62x = 6,279,903,974.52
  5. Step 5: Solve for x
    x = 6,279,903,974.52/90,547.62
  6. Step 6: Final answer
    x = 69,354.71

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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.