Home / 67,199.60-92,696.86-42,005.36

Finding the Fourth Proportional to 67,199.60, 92,696.86 and 42,005.36

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Solution

The fourth proportional to 67,199.60, 92,696.86 and 42,005.36 is: 57,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,199.60 : 92,696.86 = 42,005.36 : x
  2. Step 2: Convert to fraction form
    67,199.60/92,696.86 = 42,005.36/x
  3. Step 3: Cross multiply
    67,199.60x = 92,696.86 × 42,005.36
  4. Step 4: Simplify right side
    67,199.60x = 3,893,764,975.17
  5. Step 5: Solve for x
    x = 3,893,764,975.17/67,199.60
  6. Step 6: Final answer
    x = 57,943.28

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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.