Home / 77,638.40-116,308.56-44,259.92

Finding the Fourth Proportional to 77,638.40, 116,308.56 and 44,259.92

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Solution

The fourth proportional to 77,638.40, 116,308.56 and 44,259.92 is: 66,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,638.40 : 116,308.56 = 44,259.92 : x
  2. Step 2: Convert to fraction form
    77,638.40/116,308.56 = 44,259.92/x
  3. Step 3: Cross multiply
    77,638.40x = 116,308.56 × 44,259.92
  4. Step 4: Simplify right side
    77,638.40x = 5,147,807,560.92
  5. Step 5: Solve for x
    x = 5,147,807,560.92/77,638.40
  6. Step 6: Final answer
    x = 66,304.92

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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.