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Finding the Fourth Proportional to 64,010.61, 88,310 and 40,095.65

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Solution

The fourth proportional to 64,010.61, 88,310 and 40,095.65 is: 55,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.61 : 88,310 = 40,095.65 : x
  2. Step 2: Convert to fraction form
    64,010.61/88,310 = 40,095.65/x
  3. Step 3: Cross multiply
    64,010.61x = 88,310 × 40,095.65
  4. Step 4: Simplify right side
    64,010.61x = 3,540,846,851.50
  5. Step 5: Solve for x
    x = 3,540,846,851.50/64,010.61
  6. Step 6: Final answer
    x = 55,316.56

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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.