Home / 102,974.52-153,822.87-74,669.88

Finding the Fourth Proportional to 102,974.52, 153,822.87 and 74,669.88

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Solution

The fourth proportional to 102,974.52, 153,822.87 and 74,669.88 is: 111,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,974.52 : 153,822.87 = 74,669.88 : x
  2. Step 2: Convert to fraction form
    102,974.52/153,822.87 = 74,669.88/x
  3. Step 3: Cross multiply
    102,974.52x = 153,822.87 × 74,669.88
  4. Step 4: Simplify right side
    102,974.52x = 11,485,935,244.16
  5. Step 5: Solve for x
    x = 11,485,935,244.16/102,974.52
  6. Step 6: Final answer
    x = 111,541.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.