Home / 111,820.12-154,314.66-60,836.02

Finding the Fourth Proportional to 111,820.12, 154,314.66 and 60,836.02

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Solution

The fourth proportional to 111,820.12, 154,314.66 and 60,836.02 is: 83,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,820.12 : 154,314.66 = 60,836.02 : x
  2. Step 2: Convert to fraction form
    111,820.12/154,314.66 = 60,836.02/x
  3. Step 3: Cross multiply
    111,820.12x = 154,314.66 × 60,836.02
  4. Step 4: Simplify right side
    111,820.12x = 9,387,889,742.05
  5. Step 5: Solve for x
    x = 9,387,889,742.05/111,820.12
  6. Step 6: Final answer
    x = 83,955.28

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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.