Home / 61,154.23-91,721.50-16,770.68

Finding the Fourth Proportional to 61,154.23, 91,721.50 and 16,770.68

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Solution

The fourth proportional to 61,154.23, 91,721.50 and 16,770.68 is: 25,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.23 : 91,721.50 = 16,770.68 : x
  2. Step 2: Convert to fraction form
    61,154.23/91,721.50 = 16,770.68/x
  3. Step 3: Cross multiply
    61,154.23x = 91,721.50 × 16,770.68
  4. Step 4: Simplify right side
    61,154.23x = 1,538,231,925.62
  5. Step 5: Solve for x
    x = 1,538,231,925.62/61,154.23
  6. Step 6: Final answer
    x = 25,153.32

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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.