Home / 75,795.60-113,693.40-40,751.76

Finding the Fourth Proportional to 75,795.60, 113,693.40 and 40,751.76

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Solution

The fourth proportional to 75,795.60, 113,693.40 and 40,751.76 is: 61,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,795.60 : 113,693.40 = 40,751.76 : x
  2. Step 2: Convert to fraction form
    75,795.60/113,693.40 = 40,751.76/x
  3. Step 3: Cross multiply
    75,795.60x = 113,693.40 × 40,751.76
  4. Step 4: Simplify right side
    75,795.60x = 4,633,206,150.38
  5. Step 5: Solve for x
    x = 4,633,206,150.38/75,795.60
  6. Step 6: Final answer
    x = 61,127.64

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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.