Home / 104,983.56-157,540.95-42,654.06

Finding the Fourth Proportional to 104,983.56, 157,540.95 and 42,654.06

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Solution

The fourth proportional to 104,983.56, 157,540.95 and 42,654.06 is: 64,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,983.56 : 157,540.95 = 42,654.06 : x
  2. Step 2: Convert to fraction form
    104,983.56/157,540.95 = 42,654.06/x
  3. Step 3: Cross multiply
    104,983.56x = 157,540.95 × 42,654.06
  4. Step 4: Simplify right side
    104,983.56x = 6,719,761,133.76
  5. Step 5: Solve for x
    x = 6,719,761,133.76/104,983.56
  6. Step 6: Final answer
    x = 64,007.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.