Home / 49,665.54-74,545.12-18,106.10

Finding the Fourth Proportional to 49,665.54, 74,545.12 and 18,106.10

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Solution

The fourth proportional to 49,665.54, 74,545.12 and 18,106.10 is: 27,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,665.54 : 74,545.12 = 18,106.10 : x
  2. Step 2: Convert to fraction form
    49,665.54/74,545.12 = 18,106.10/x
  3. Step 3: Cross multiply
    49,665.54x = 74,545.12 × 18,106.10
  4. Step 4: Simplify right side
    49,665.54x = 1,349,721,397.23
  5. Step 5: Solve for x
    x = 1,349,721,397.23/49,665.54
  6. Step 6: Final answer
    x = 27,176.22

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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.