Home / 49,669.02-68,545.74-30,812.22

Finding the Fourth Proportional to 49,669.02, 68,545.74 and 30,812.22

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Solution

The fourth proportional to 49,669.02, 68,545.74 and 30,812.22 is: 42,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,669.02 : 68,545.74 = 30,812.22 : x
  2. Step 2: Convert to fraction form
    49,669.02/68,545.74 = 30,812.22/x
  3. Step 3: Cross multiply
    49,669.02x = 68,545.74 × 30,812.22
  4. Step 4: Simplify right side
    49,669.02x = 2,112,046,420.94
  5. Step 5: Solve for x
    x = 2,112,046,420.94/49,669.02
  6. Step 6: Final answer
    x = 42,522.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.