Home / 76,618.65-114,928.18-23,311.13

Finding the Fourth Proportional to 76,618.65, 114,928.18 and 23,311.13

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Solution

The fourth proportional to 76,618.65, 114,928.18 and 23,311.13 is: 34,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,618.65 : 114,928.18 = 23,311.13 : x
  2. Step 2: Convert to fraction form
    76,618.65/114,928.18 = 23,311.13/x
  3. Step 3: Cross multiply
    76,618.65x = 114,928.18 × 23,311.13
  4. Step 4: Simplify right side
    76,618.65x = 2,679,105,973.69
  5. Step 5: Solve for x
    x = 2,679,105,973.69/76,618.65
  6. Step 6: Final answer
    x = 34,966.76

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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.