Home / 98,740.93-136,204.01-60,517.64

Finding the Fourth Proportional to 98,740.93, 136,204.01 and 60,517.64

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Solution

The fourth proportional to 98,740.93, 136,204.01 and 60,517.64 is: 83,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.93 : 136,204.01 = 60,517.64 : x
  2. Step 2: Convert to fraction form
    98,740.93/136,204.01 = 60,517.64/x
  3. Step 3: Cross multiply
    98,740.93x = 136,204.01 × 60,517.64
  4. Step 4: Simplify right side
    98,740.93x = 8,242,745,243.74
  5. Step 5: Solve for x
    x = 8,242,745,243.74/98,740.93
  6. Step 6: Final answer
    x = 83,478.51

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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.