Home / 55,367.16-76,408.02-31,496.46

Finding the Fourth Proportional to 55,367.16, 76,408.02 and 31,496.46

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Solution

The fourth proportional to 55,367.16, 76,408.02 and 31,496.46 is: 43,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.16 : 76,408.02 = 31,496.46 : x
  2. Step 2: Convert to fraction form
    55,367.16/76,408.02 = 31,496.46/x
  3. Step 3: Cross multiply
    55,367.16x = 76,408.02 × 31,496.46
  4. Step 4: Simplify right side
    55,367.16x = 2,406,582,145.61
  5. Step 5: Solve for x
    x = 2,406,582,145.61/55,367.16
  6. Step 6: Final answer
    x = 43,465.88

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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.