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Finding the Fourth Proportional to 78,837, 108,797.04 and 43,030.32

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Solution

The fourth proportional to 78,837, 108,797.04 and 43,030.32 is: 59,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,837 : 108,797.04 = 43,030.32 : x
  2. Step 2: Convert to fraction form
    78,837/108,797.04 = 43,030.32/x
  3. Step 3: Cross multiply
    78,837x = 108,797.04 × 43,030.32
  4. Step 4: Simplify right side
    78,837x = 4,681,571,446.25
  5. Step 5: Solve for x
    x = 4,681,571,446.25/78,837
  6. Step 6: Final answer
    x = 59,382.92

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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.