Home / 42,974.38-64,477.97-16,681.17

Finding the Fourth Proportional to 42,974.38, 64,477.97 and 16,681.17

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Solution

The fourth proportional to 42,974.38, 64,477.97 and 16,681.17 is: 25,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,974.38 : 64,477.97 = 16,681.17 : x
  2. Step 2: Convert to fraction form
    42,974.38/64,477.97 = 16,681.17/x
  3. Step 3: Cross multiply
    42,974.38x = 64,477.97 × 16,681.17
  4. Step 4: Simplify right side
    42,974.38x = 1,075,567,895.42
  5. Step 5: Solve for x
    x = 1,075,567,895.42/42,974.38
  6. Step 6: Final answer
    x = 25,028.12

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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.