Home / 71,986.89-107,822.39-59,364.66

Finding the Fourth Proportional to 71,986.89, 107,822.39 and 59,364.66

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Solution

The fourth proportional to 71,986.89, 107,822.39 and 59,364.66 is: 88,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,986.89 : 107,822.39 = 59,364.66 : x
  2. Step 2: Convert to fraction form
    71,986.89/107,822.39 = 59,364.66/x
  3. Step 3: Cross multiply
    71,986.89x = 107,822.39 × 59,364.66
  4. Step 4: Simplify right side
    71,986.89x = 6,400,839,225.91
  5. Step 5: Solve for x
    x = 6,400,839,225.91/71,986.89
  6. Step 6: Final answer
    x = 88,916.74

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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.