Home / 88,683.04-122,402.64-60,400

Finding the Fourth Proportional to 88,683.04, 122,402.64 and 60,400

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Solution

The fourth proportional to 88,683.04, 122,402.64 and 60,400 is: 83,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.04 : 122,402.64 = 60,400 : x
  2. Step 2: Convert to fraction form
    88,683.04/122,402.64 = 60,400/x
  3. Step 3: Cross multiply
    88,683.04x = 122,402.64 × 60,400
  4. Step 4: Simplify right side
    88,683.04x = 7,393,119,456
  5. Step 5: Solve for x
    x = 7,393,119,456/88,683.04
  6. Step 6: Final answer
    x = 83,365.65

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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.