Home / 74,254.04-111,372.02-21,663.58

Finding the Fourth Proportional to 74,254.04, 111,372.02 and 21,663.58

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Solution

The fourth proportional to 74,254.04, 111,372.02 and 21,663.58 is: 32,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254.04 : 111,372.02 = 21,663.58 : x
  2. Step 2: Convert to fraction form
    74,254.04/111,372.02 = 21,663.58/x
  3. Step 3: Cross multiply
    74,254.04x = 111,372.02 × 21,663.58
  4. Step 4: Simplify right side
    74,254.04x = 2,412,716,665.03
  5. Step 5: Solve for x
    x = 2,412,716,665.03/74,254.04
  6. Step 6: Final answer
    x = 32,492.73

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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.