Home / 122,241.04-168,699.72-68,543.60

Finding the Fourth Proportional to 122,241.04, 168,699.72 and 68,543.60

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Solution

The fourth proportional to 122,241.04, 168,699.72 and 68,543.60 is: 94,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,241.04 : 168,699.72 = 68,543.60 : x
  2. Step 2: Convert to fraction form
    122,241.04/168,699.72 = 68,543.60/x
  3. Step 3: Cross multiply
    122,241.04x = 168,699.72 × 68,543.60
  4. Step 4: Simplify right side
    122,241.04x = 11,563,286,127.79
  5. Step 5: Solve for x
    x = 11,563,286,127.79/122,241.04
  6. Step 6: Final answer
    x = 94,594.14

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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.