Home / 92,962.62-128,289.41-50,521.15

Finding the Fourth Proportional to 92,962.62, 128,289.41 and 50,521.15

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Solution

The fourth proportional to 92,962.62, 128,289.41 and 50,521.15 is: 69,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,962.62 : 128,289.41 = 50,521.15 : x
  2. Step 2: Convert to fraction form
    92,962.62/128,289.41 = 50,521.15/x
  3. Step 3: Cross multiply
    92,962.62x = 128,289.41 × 50,521.15
  4. Step 4: Simplify right side
    92,962.62x = 6,481,328,526.02
  5. Step 5: Solve for x
    x = 6,481,328,526.02/92,962.62
  6. Step 6: Final answer
    x = 69,719.73

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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.