Home / 78,904.94-108,892.35-43,095.24

Finding the Fourth Proportional to 78,904.94, 108,892.35 and 43,095.24

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Solution

The fourth proportional to 78,904.94, 108,892.35 and 43,095.24 is: 59,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,904.94 : 108,892.35 = 43,095.24 : x
  2. Step 2: Convert to fraction form
    78,904.94/108,892.35 = 43,095.24/x
  3. Step 3: Cross multiply
    78,904.94x = 108,892.35 × 43,095.24
  4. Step 4: Simplify right side
    78,904.94x = 4,692,741,957.41
  5. Step 5: Solve for x
    x = 4,692,741,957.41/78,904.94
  6. Step 6: Final answer
    x = 59,473.36

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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.