Home / 88,331.04-121,898.40-50,605.44

Finding the Fourth Proportional to 88,331.04, 121,898.40 and 50,605.44

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Solution

The fourth proportional to 88,331.04, 121,898.40 and 50,605.44 is: 69,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,331.04 : 121,898.40 = 50,605.44 : x
  2. Step 2: Convert to fraction form
    88,331.04/121,898.40 = 50,605.44/x
  3. Step 3: Cross multiply
    88,331.04x = 121,898.40 × 50,605.44
  4. Step 4: Simplify right side
    88,331.04x = 6,168,722,167.30
  5. Step 5: Solve for x
    x = 6,168,722,167.30/88,331.04
  6. Step 6: Final answer
    x = 69,836.40

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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.