Home / 92,708.02-138,717.57-55,288.45

Finding the Fourth Proportional to 92,708.02, 138,717.57 and 55,288.45

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Solution

The fourth proportional to 92,708.02, 138,717.57 and 55,288.45 is: 82,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,708.02 : 138,717.57 = 55,288.45 : x
  2. Step 2: Convert to fraction form
    92,708.02/138,717.57 = 55,288.45/x
  3. Step 3: Cross multiply
    92,708.02x = 138,717.57 × 55,288.45
  4. Step 4: Simplify right side
    92,708.02x = 7,669,479,433.07
  5. Step 5: Solve for x
    x = 7,669,479,433.07/92,708.02
  6. Step 6: Final answer
    x = 82,727.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.