Home / 117,803.79-162,565.53-64,087.44

Finding the Fourth Proportional to 117,803.79, 162,565.53 and 64,087.44

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Solution

The fourth proportional to 117,803.79, 162,565.53 and 64,087.44 is: 88,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,803.79 : 162,565.53 = 64,087.44 : x
  2. Step 2: Convert to fraction form
    117,803.79/162,565.53 = 64,087.44/x
  3. Step 3: Cross multiply
    117,803.79x = 162,565.53 × 64,087.44
  4. Step 4: Simplify right side
    117,803.79x = 10,418,408,649.94
  5. Step 5: Solve for x
    x = 10,418,408,649.94/117,803.79
  6. Step 6: Final answer
    x = 88,438.65

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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.