Home / 107,319.40-160,844.70-54,749.80

Finding the Fourth Proportional to 107,319.40, 160,844.70 and 54,749.80

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Solution

The fourth proportional to 107,319.40, 160,844.70 and 54,749.80 is: 82,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,319.40 : 160,844.70 = 54,749.80 : x
  2. Step 2: Convert to fraction form
    107,319.40/160,844.70 = 54,749.80/x
  3. Step 3: Cross multiply
    107,319.40x = 160,844.70 × 54,749.80
  4. Step 4: Simplify right side
    107,319.40x = 8,806,215,156.06
  5. Step 5: Solve for x
    x = 8,806,215,156.06/107,319.40
  6. Step 6: Final answer
    x = 82,056.13

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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.