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Finding the Fourth Proportional to 64,537.54, 89,060.64 and 35,857.33

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Solution

The fourth proportional to 64,537.54, 89,060.64 and 35,857.33 is: 49,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,537.54 : 89,060.64 = 35,857.33 : x
  2. Step 2: Convert to fraction form
    64,537.54/89,060.64 = 35,857.33/x
  3. Step 3: Cross multiply
    64,537.54x = 89,060.64 × 35,857.33
  4. Step 4: Simplify right side
    64,537.54x = 3,193,476,758.49
  5. Step 5: Solve for x
    x = 3,193,476,758.49/64,537.54
  6. Step 6: Final answer
    x = 49,482.47

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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.