Home / 91,716.46-126,514.94-57,670.98

Finding the Fourth Proportional to 91,716.46, 126,514.94 and 57,670.98

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Solution

The fourth proportional to 91,716.46, 126,514.94 and 57,670.98 is: 79,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,716.46 : 126,514.94 = 57,670.98 : x
  2. Step 2: Convert to fraction form
    91,716.46/126,514.94 = 57,670.98/x
  3. Step 3: Cross multiply
    91,716.46x = 126,514.94 × 57,670.98
  4. Step 4: Simplify right side
    91,716.46x = 7,296,240,574.44
  5. Step 5: Solve for x
    x = 7,296,240,574.44/91,716.46
  6. Step 6: Final answer
    x = 79,552.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.