Home / 76,022.12-114,023.72-31,643.04

Finding the Fourth Proportional to 76,022.12, 114,023.72 and 31,643.04

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Solution

The fourth proportional to 76,022.12, 114,023.72 and 31,643.04 is: 47,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,022.12 : 114,023.72 = 31,643.04 : x
  2. Step 2: Convert to fraction form
    76,022.12/114,023.72 = 31,643.04/x
  3. Step 3: Cross multiply
    76,022.12x = 114,023.72 × 31,643.04
  4. Step 4: Simplify right side
    76,022.12x = 3,608,057,132.91
  5. Step 5: Solve for x
    x = 3,608,057,132.91/76,022.12
  6. Step 6: Final answer
    x = 47,460.62

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1.5x scale

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.