Home / 76,661.43-115,010.64-24,070.91

Finding the Fourth Proportional to 76,661.43, 115,010.64 and 24,070.91

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Solution

The fourth proportional to 76,661.43, 115,010.64 and 24,070.91 is: 36,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,661.43 : 115,010.64 = 24,070.91 : x
  2. Step 2: Convert to fraction form
    76,661.43/115,010.64 = 24,070.91/x
  3. Step 3: Cross multiply
    76,661.43x = 115,010.64 × 24,070.91
  4. Step 4: Simplify right side
    76,661.43x = 2,768,410,189.43
  5. Step 5: Solve for x
    x = 2,768,410,189.43/76,661.43
  6. Step 6: Final answer
    x = 36,112.16

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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.