Home / 79,479.31-119,237.42-23,317.15

Finding the Fourth Proportional to 79,479.31, 119,237.42 and 23,317.15

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Solution

The fourth proportional to 79,479.31, 119,237.42 and 23,317.15 is: 34,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,479.31 : 119,237.42 = 23,317.15 : x
  2. Step 2: Convert to fraction form
    79,479.31/119,237.42 = 23,317.15/x
  3. Step 3: Cross multiply
    79,479.31x = 119,237.42 × 23,317.15
  4. Step 4: Simplify right side
    79,479.31x = 2,780,276,807.75
  5. Step 5: Solve for x
    x = 2,780,276,807.75/79,479.31
  6. Step 6: Final answer
    x = 34,981.14

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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.