Home / 109,747.40-151,449.24-61,349.08

Finding the Fourth Proportional to 109,747.40, 151,449.24 and 61,349.08

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Solution

The fourth proportional to 109,747.40, 151,449.24 and 61,349.08 is: 84,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,747.40 : 151,449.24 = 61,349.08 : x
  2. Step 2: Convert to fraction form
    109,747.40/151,449.24 = 61,349.08/x
  3. Step 3: Cross multiply
    109,747.40x = 151,449.24 × 61,349.08
  4. Step 4: Simplify right side
    109,747.40x = 9,291,271,540.70
  5. Step 5: Solve for x
    x = 9,291,271,540.70/109,747.40
  6. Step 6: Final answer
    x = 84,660.52

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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.