Home / 78,121.32-107,815.14-44,592.36

Finding the Fourth Proportional to 78,121.32, 107,815.14 and 44,592.36

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Solution

The fourth proportional to 78,121.32, 107,815.14 and 44,592.36 is: 61,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,121.32 : 107,815.14 = 44,592.36 : x
  2. Step 2: Convert to fraction form
    78,121.32/107,815.14 = 44,592.36/x
  3. Step 3: Cross multiply
    78,121.32x = 107,815.14 × 44,592.36
  4. Step 4: Simplify right side
    78,121.32x = 4,807,731,536.33
  5. Step 5: Solve for x
    x = 4,807,731,536.33/78,121.32
  6. Step 6: Final answer
    x = 61,541.86

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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.