Home / 76,269.16-114,404.42-31,315.24

Finding the Fourth Proportional to 76,269.16, 114,404.42 and 31,315.24

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Solution

The fourth proportional to 76,269.16, 114,404.42 and 31,315.24 is: 46,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,269.16 : 114,404.42 = 31,315.24 : x
  2. Step 2: Convert to fraction form
    76,269.16/114,404.42 = 31,315.24/x
  3. Step 3: Cross multiply
    76,269.16x = 114,404.42 × 31,315.24
  4. Step 4: Simplify right side
    76,269.16x = 3,582,601,869.36
  5. Step 5: Solve for x
    x = 3,582,601,869.36/76,269.16
  6. Step 6: Final answer
    x = 46,973.14

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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.