Home / 77,190.10-115,700.68-39,752.44

Finding the Fourth Proportional to 77,190.10, 115,700.68 and 39,752.44

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Solution

The fourth proportional to 77,190.10, 115,700.68 and 39,752.44 is: 59,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,190.10 : 115,700.68 = 39,752.44 : x
  2. Step 2: Convert to fraction form
    77,190.10/115,700.68 = 39,752.44/x
  3. Step 3: Cross multiply
    77,190.10x = 115,700.68 × 39,752.44
  4. Step 4: Simplify right side
    77,190.10x = 4,599,384,339.66
  5. Step 5: Solve for x
    x = 4,599,384,339.66/77,190.10
  6. Step 6: Final answer
    x = 59,585.16

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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.