Home / 77,186.58-115,835.22-32,844.48

Finding the Fourth Proportional to 77,186.58, 115,835.22 and 32,844.48

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Solution

The fourth proportional to 77,186.58, 115,835.22 and 32,844.48 is: 49,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,186.58 : 115,835.22 = 32,844.48 : x
  2. Step 2: Convert to fraction form
    77,186.58/115,835.22 = 32,844.48/x
  3. Step 3: Cross multiply
    77,186.58x = 115,835.22 × 32,844.48
  4. Step 4: Simplify right side
    77,186.58x = 3,804,547,566.59
  5. Step 5: Solve for x
    x = 3,804,547,566.59/77,186.58
  6. Step 6: Final answer
    x = 49,290.27

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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.