Home / 90,102.54-124,337.46-51,863.27

Finding the Fourth Proportional to 90,102.54, 124,337.46 and 51,863.27

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Solution

The fourth proportional to 90,102.54, 124,337.46 and 51,863.27 is: 71,568.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,102.54 : 124,337.46 = 51,863.27 : x
  2. Step 2: Convert to fraction form
    90,102.54/124,337.46 = 51,863.27/x
  3. Step 3: Cross multiply
    90,102.54x = 124,337.46 × 51,863.27
  4. Step 4: Simplify right side
    90,102.54x = 6,448,547,239.56
  5. Step 5: Solve for x
    x = 6,448,547,239.56/90,102.54
  6. Step 6: Final answer
    x = 71,568.99

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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.