Home / 88,204.27-121,722.75-47,918.35

Finding the Fourth Proportional to 88,204.27, 121,722.75 and 47,918.35

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Solution

The fourth proportional to 88,204.27, 121,722.75 and 47,918.35 is: 66,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,204.27 : 121,722.75 = 47,918.35 : x
  2. Step 2: Convert to fraction form
    88,204.27/121,722.75 = 47,918.35/x
  3. Step 3: Cross multiply
    88,204.27x = 121,722.75 × 47,918.35
  4. Step 4: Simplify right side
    88,204.27x = 5,832,753,337.46
  5. Step 5: Solve for x
    x = 5,832,753,337.46/88,204.27
  6. Step 6: Final answer
    x = 66,127.79

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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.