Home / 45,813.29-68,671.98-19,174.55

Finding the Fourth Proportional to 45,813.29, 68,671.98 and 19,174.55

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Solution

The fourth proportional to 45,813.29, 68,671.98 and 19,174.55 is: 28,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.29 : 68,671.98 = 19,174.55 : x
  2. Step 2: Convert to fraction form
    45,813.29/68,671.98 = 19,174.55/x
  3. Step 3: Cross multiply
    45,813.29x = 68,671.98 × 19,174.55
  4. Step 4: Simplify right side
    45,813.29x = 1,316,754,218.24
  5. Step 5: Solve for x
    x = 1,316,754,218.24/45,813.29
  6. Step 6: Final answer
    x = 28,741.75

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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.