Home / 74,537.01-102,858.10-40,545.54

Finding the Fourth Proportional to 74,537.01, 102,858.10 and 40,545.54

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Solution

The fourth proportional to 74,537.01, 102,858.10 and 40,545.54 is: 55,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,537.01 : 102,858.10 = 40,545.54 : x
  2. Step 2: Convert to fraction form
    74,537.01/102,858.10 = 40,545.54/x
  3. Step 3: Cross multiply
    74,537.01x = 102,858.10 × 40,545.54
  4. Step 4: Simplify right side
    74,537.01x = 4,170,437,045.29
  5. Step 5: Solve for x
    x = 4,170,437,045.29/74,537.01
  6. Step 6: Final answer
    x = 55,951.23

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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.