Home / 78,837.33-108,795.81-43,028.13

Finding the Fourth Proportional to 78,837.33, 108,795.81 and 43,028.13

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Solution

The fourth proportional to 78,837.33, 108,795.81 and 43,028.13 is: 59,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,837.33 : 108,795.81 = 43,028.13 : x
  2. Step 2: Convert to fraction form
    78,837.33/108,795.81 = 43,028.13/x
  3. Step 3: Cross multiply
    78,837.33x = 108,795.81 × 43,028.13
  4. Step 4: Simplify right side
    78,837.33x = 4,681,280,256.14
  5. Step 5: Solve for x
    x = 4,681,280,256.14/78,837.33
  6. Step 6: Final answer
    x = 59,378.98

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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.