Home / 111,856.13-154,359.47-60,867.13

Finding the Fourth Proportional to 111,856.13, 154,359.47 and 60,867.13

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Solution

The fourth proportional to 111,856.13, 154,359.47 and 60,867.13 is: 83,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,856.13 : 154,359.47 = 60,867.13 : x
  2. Step 2: Convert to fraction form
    111,856.13/154,359.47 = 60,867.13/x
  3. Step 3: Cross multiply
    111,856.13x = 154,359.47 × 60,867.13
  4. Step 4: Simplify right side
    111,856.13x = 9,395,416,851.09
  5. Step 5: Solve for x
    x = 9,395,416,851.09/111,856.13
  6. Step 6: Final answer
    x = 83,995.55

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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.