Home / 111,785.90-154,262.99-60,797.52

Finding the Fourth Proportional to 111,785.90, 154,262.99 and 60,797.52

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Solution

The fourth proportional to 111,785.90, 154,262.99 and 60,797.52 is: 83,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,785.90 : 154,262.99 = 60,797.52 : x
  2. Step 2: Convert to fraction form
    111,785.90/154,262.99 = 60,797.52/x
  3. Step 3: Cross multiply
    111,785.90x = 154,262.99 × 60,797.52
  4. Step 4: Simplify right side
    111,785.90x = 9,378,806,915.80
  5. Step 5: Solve for x
    x = 9,378,806,915.80/111,785.90
  6. Step 6: Final answer
    x = 83,899.73

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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.