Home / 98,152.24-135,314.04-66,270.64

Finding the Fourth Proportional to 98,152.24, 135,314.04 and 66,270.64

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Solution

The fourth proportional to 98,152.24, 135,314.04 and 66,270.64 is: 91,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,152.24 : 135,314.04 = 66,270.64 : x
  2. Step 2: Convert to fraction form
    98,152.24/135,314.04 = 66,270.64/x
  3. Step 3: Cross multiply
    98,152.24x = 135,314.04 × 66,270.64
  4. Step 4: Simplify right side
    98,152.24x = 8,967,348,031.79
  5. Step 5: Solve for x
    x = 8,967,348,031.79/98,152.24
  6. Step 6: Final answer
    x = 91,361.62

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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.