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Finding the Fourth Proportional to 64,482.93, 96,709.92 and 27,085.23

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Solution

The fourth proportional to 64,482.93, 96,709.92 and 27,085.23 is: 40,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,482.93 : 96,709.92 = 27,085.23 : x
  2. Step 2: Convert to fraction form
    64,482.93/96,709.92 = 27,085.23/x
  3. Step 3: Cross multiply
    64,482.93x = 96,709.92 × 27,085.23
  4. Step 4: Simplify right side
    64,482.93x = 2,619,410,324.91
  5. Step 5: Solve for x
    x = 2,619,410,324.91/64,482.93
  6. Step 6: Final answer
    x = 40,621.76

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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.