Home / 55,180.02-82,064.68-54,589.52

Finding the Fourth Proportional to 55,180.02, 82,064.68 and 54,589.52

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Solution

The fourth proportional to 55,180.02, 82,064.68 and 54,589.52 is: 81,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180.02 : 82,064.68 = 54,589.52 : x
  2. Step 2: Convert to fraction form
    55,180.02/82,064.68 = 54,589.52/x
  3. Step 3: Cross multiply
    55,180.02x = 82,064.68 × 54,589.52
  4. Step 4: Simplify right side
    55,180.02x = 4,479,871,490.15
  5. Step 5: Solve for x
    x = 4,479,871,490.15/55,180.02
  6. Step 6: Final answer
    x = 81,186.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.