Home / 67,297.02-100,965.24-19,913.31

Finding the Fourth Proportional to 67,297.02, 100,965.24 and 19,913.31

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Solution

The fourth proportional to 67,297.02, 100,965.24 and 19,913.31 is: 29,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,297.02 : 100,965.24 = 19,913.31 : x
  2. Step 2: Convert to fraction form
    67,297.02/100,965.24 = 19,913.31/x
  3. Step 3: Cross multiply
    67,297.02x = 100,965.24 × 19,913.31
  4. Step 4: Simplify right side
    67,297.02x = 2,010,552,123.34
  5. Step 5: Solve for x
    x = 2,010,552,123.34/67,297.02
  6. Step 6: Final answer
    x = 29,875.80

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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.