Home / 77,844.40-107,382.04-51,030.16

Finding the Fourth Proportional to 77,844.40, 107,382.04 and 51,030.16

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Solution

The fourth proportional to 77,844.40, 107,382.04 and 51,030.16 is: 70,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844.40 : 107,382.04 = 51,030.16 : x
  2. Step 2: Convert to fraction form
    77,844.40/107,382.04 = 51,030.16/x
  3. Step 3: Cross multiply
    77,844.40x = 107,382.04 × 51,030.16
  4. Step 4: Simplify right side
    77,844.40x = 5,479,722,682.33
  5. Step 5: Solve for x
    x = 5,479,722,682.33/77,844.40
  6. Step 6: Final answer
    x = 70,393.28

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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.