Home / 42,716.55-64,056.06-22,721.70

Finding the Fourth Proportional to 42,716.55, 64,056.06 and 22,721.70

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Solution

The fourth proportional to 42,716.55, 64,056.06 and 22,721.70 is: 34,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.55 : 64,056.06 = 22,721.70 : x
  2. Step 2: Convert to fraction form
    42,716.55/64,056.06 = 22,721.70/x
  3. Step 3: Cross multiply
    42,716.55x = 64,056.06 × 22,721.70
  4. Step 4: Simplify right side
    42,716.55x = 1,455,462,578.50
  5. Step 5: Solve for x
    x = 1,455,462,578.50/42,716.55
  6. Step 6: Final answer
    x = 34,072.57

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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.