Home / 74,545.02-111,794.85-21,241.35

Finding the Fourth Proportional to 74,545.02, 111,794.85 and 21,241.35

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Solution

The fourth proportional to 74,545.02, 111,794.85 and 21,241.35 is: 31,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,545.02 : 111,794.85 = 21,241.35 : x
  2. Step 2: Convert to fraction form
    74,545.02/111,794.85 = 21,241.35/x
  3. Step 3: Cross multiply
    74,545.02x = 111,794.85 × 21,241.35
  4. Step 4: Simplify right side
    74,545.02x = 2,374,673,537.05
  5. Step 5: Solve for x
    x = 2,374,673,537.05/74,545.02
  6. Step 6: Final answer
    x = 31,855.56

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1.5x scale

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.