Home / 75,780.36-113,534.34-44,598.60

Finding the Fourth Proportional to 75,780.36, 113,534.34 and 44,598.60

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Solution

The fourth proportional to 75,780.36, 113,534.34 and 44,598.60 is: 66,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780.36 : 113,534.34 = 44,598.60 : x
  2. Step 2: Convert to fraction form
    75,780.36/113,534.34 = 44,598.60/x
  3. Step 3: Cross multiply
    75,780.36x = 113,534.34 × 44,598.60
  4. Step 4: Simplify right side
    75,780.36x = 5,063,472,615.92
  5. Step 5: Solve for x
    x = 5,063,472,615.92/75,780.36
  6. Step 6: Final answer
    x = 66,817.74

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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.