Home / 121,403.73-182,122.22-41,420.25

Finding the Fourth Proportional to 121,403.73, 182,122.22 and 41,420.25

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Solution

The fourth proportional to 121,403.73, 182,122.22 and 41,420.25 is: 62,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,403.73 : 182,122.22 = 41,420.25 : x
  2. Step 2: Convert to fraction form
    121,403.73/182,122.22 = 41,420.25/x
  3. Step 3: Cross multiply
    121,403.73x = 182,122.22 × 41,420.25
  4. Step 4: Simplify right side
    121,403.73x = 7,543,547,675.85
  5. Step 5: Solve for x
    x = 7,543,547,675.85/121,403.73
  6. Step 6: Final answer
    x = 62,136.05

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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.