Home / 45,372.96-68,001.12-19,041.48

Finding the Fourth Proportional to 45,372.96, 68,001.12 and 19,041.48

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Solution

The fourth proportional to 45,372.96, 68,001.12 and 19,041.48 is: 28,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,372.96 : 68,001.12 = 19,041.48 : x
  2. Step 2: Convert to fraction form
    45,372.96/68,001.12 = 19,041.48/x
  3. Step 3: Cross multiply
    45,372.96x = 68,001.12 × 19,041.48
  4. Step 4: Simplify right side
    45,372.96x = 1,294,841,966.46
  5. Step 5: Solve for x
    x = 1,294,841,966.46/45,372.96
  6. Step 6: Final answer
    x = 28,537.75

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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.