Home / 77,989.48-107,647.14-46,169.32

Finding the Fourth Proportional to 77,989.48, 107,647.14 and 46,169.32

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Solution

The fourth proportional to 77,989.48, 107,647.14 and 46,169.32 is: 63,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,989.48 : 107,647.14 = 46,169.32 : x
  2. Step 2: Convert to fraction form
    77,989.48/107,647.14 = 46,169.32/x
  3. Step 3: Cross multiply
    77,989.48x = 107,647.14 × 46,169.32
  4. Step 4: Simplify right side
    77,989.48x = 4,969,995,253.74
  5. Step 5: Solve for x
    x = 4,969,995,253.74/77,989.48
  6. Step 6: Final answer
    x = 63,726.48

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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.