Home / 111,983.40-154,531.26-69,541.02

Finding the Fourth Proportional to 111,983.40, 154,531.26 and 69,541.02

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Solution

The fourth proportional to 111,983.40, 154,531.26 and 69,541.02 is: 95,962.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,983.40 : 154,531.26 = 69,541.02 : x
  2. Step 2: Convert to fraction form
    111,983.40/154,531.26 = 69,541.02/x
  3. Step 3: Cross multiply
    111,983.40x = 154,531.26 × 69,541.02
  4. Step 4: Simplify right side
    111,983.40x = 10,746,261,442.29
  5. Step 5: Solve for x
    x = 10,746,261,442.29/111,983.40
  6. Step 6: Final answer
    x = 95,962.99

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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.