Home / 104,642.64-157,030.56-38,076.30

Finding the Fourth Proportional to 104,642.64, 157,030.56 and 38,076.30

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Solution

The fourth proportional to 104,642.64, 157,030.56 and 38,076.30 is: 57,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,642.64 : 157,030.56 = 38,076.30 : x
  2. Step 2: Convert to fraction form
    104,642.64/157,030.56 = 38,076.30/x
  3. Step 3: Cross multiply
    104,642.64x = 157,030.56 × 38,076.30
  4. Step 4: Simplify right side
    104,642.64x = 5,979,142,711.73
  5. Step 5: Solve for x
    x = 5,979,142,711.73/104,642.64
  6. Step 6: Final answer
    x = 57,138.68

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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.