Home / 90,547.70-124,949.76-54,757.44

Finding the Fourth Proportional to 90,547.70, 124,949.76 and 54,757.44

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Solution

The fourth proportional to 90,547.70, 124,949.76 and 54,757.44 is: 75,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.70 : 124,949.76 = 54,757.44 : x
  2. Step 2: Convert to fraction form
    90,547.70/124,949.76 = 54,757.44/x
  3. Step 3: Cross multiply
    90,547.70x = 124,949.76 × 54,757.44
  4. Step 4: Simplify right side
    90,547.70x = 6,841,928,986.21
  5. Step 5: Solve for x
    x = 6,841,928,986.21/90,547.70
  6. Step 6: Final answer
    x = 75,561.60

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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.