Home / 74,379.50-102,618.04-47,537.72

Finding the Fourth Proportional to 74,379.50, 102,618.04 and 47,537.72

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Solution

The fourth proportional to 74,379.50, 102,618.04 and 47,537.72 is: 65,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,379.50 : 102,618.04 = 47,537.72 : x
  2. Step 2: Convert to fraction form
    74,379.50/102,618.04 = 47,537.72/x
  3. Step 3: Cross multiply
    74,379.50x = 102,618.04 × 47,537.72
  4. Step 4: Simplify right side
    74,379.50x = 4,878,227,652.47
  5. Step 5: Solve for x
    x = 4,878,227,652.47/74,379.50
  6. Step 6: Final answer
    x = 65,585.65

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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.