Home / 217,860.58-326,807.17-60,087.56

Finding the Fourth Proportional to 217,860.58, 326,807.17 and 60,087.56

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Solution

The fourth proportional to 217,860.58, 326,807.17 and 60,087.56 is: 90,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,860.58 : 326,807.17 = 60,087.56 : x
  2. Step 2: Convert to fraction form
    217,860.58/326,807.17 = 60,087.56/x
  3. Step 3: Cross multiply
    217,860.58x = 326,807.17 × 60,087.56
  4. Step 4: Simplify right side
    217,860.58x = 19,637,046,102.60
  5. Step 5: Solve for x
    x = 19,637,046,102.60/217,860.58
  6. Step 6: Final answer
    x = 90,135.84

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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.