Home / 42,776.94-64,174.44-16,122.36

Finding the Fourth Proportional to 42,776.94, 64,174.44 and 16,122.36

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Solution

The fourth proportional to 42,776.94, 64,174.44 and 16,122.36 is: 24,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,776.94 : 64,174.44 = 16,122.36 : x
  2. Step 2: Convert to fraction form
    42,776.94/64,174.44 = 16,122.36/x
  3. Step 3: Cross multiply
    42,776.94x = 64,174.44 × 16,122.36
  4. Step 4: Simplify right side
    42,776.94x = 1,034,643,424.48
  5. Step 5: Solve for x
    x = 1,034,643,424.48/42,776.94
  6. Step 6: Final answer
    x = 24,186.95

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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.