Home / 111,518.31-153,895.38-60,531.03

Finding the Fourth Proportional to 111,518.31, 153,895.38 and 60,531.03

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Solution

The fourth proportional to 111,518.31, 153,895.38 and 60,531.03 is: 83,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,518.31 : 153,895.38 = 60,531.03 : x
  2. Step 2: Convert to fraction form
    111,518.31/153,895.38 = 60,531.03/x
  3. Step 3: Cross multiply
    111,518.31x = 153,895.38 × 60,531.03
  4. Step 4: Simplify right side
    111,518.31x = 9,315,445,863.64
  5. Step 5: Solve for x
    x = 9,315,445,863.64/111,518.31
  6. Step 6: Final answer
    x = 83,532.88

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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.