Home / 76,948.18-115,428.85-27,023.93

Finding the Fourth Proportional to 76,948.18, 115,428.85 and 27,023.93

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Solution

The fourth proportional to 76,948.18, 115,428.85 and 27,023.93 is: 40,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948.18 : 115,428.85 = 27,023.93 : x
  2. Step 2: Convert to fraction form
    76,948.18/115,428.85 = 27,023.93/x
  3. Step 3: Cross multiply
    76,948.18x = 115,428.85 × 27,023.93
  4. Step 4: Simplify right side
    76,948.18x = 3,119,340,950.53
  5. Step 5: Solve for x
    x = 3,119,340,950.53/76,948.18
  6. Step 6: Final answer
    x = 40,538.20

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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.