Home / 74,372.02-111,569.64-26,990.80

Finding the Fourth Proportional to 74,372.02, 111,569.64 and 26,990.80

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Solution

The fourth proportional to 74,372.02, 111,569.64 and 26,990.80 is: 40,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372.02 : 111,569.64 = 26,990.80 : x
  2. Step 2: Convert to fraction form
    74,372.02/111,569.64 = 26,990.80/x
  3. Step 3: Cross multiply
    74,372.02x = 111,569.64 × 26,990.80
  4. Step 4: Simplify right side
    74,372.02x = 3,011,353,839.31
  5. Step 5: Solve for x
    x = 3,011,353,839.31/74,372.02
  6. Step 6: Final answer
    x = 40,490.41

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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.