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Finding the Fourth Proportional to 64,268.30, 88,689.64 and 37,034.38

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Solution

The fourth proportional to 64,268.30, 88,689.64 and 37,034.38 is: 51,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,268.30 : 88,689.64 = 37,034.38 : x
  2. Step 2: Convert to fraction form
    64,268.30/88,689.64 = 37,034.38/x
  3. Step 3: Cross multiply
    64,268.30x = 88,689.64 × 37,034.38
  4. Step 4: Simplify right side
    64,268.30x = 3,284,565,681.81
  5. Step 5: Solve for x
    x = 3,284,565,681.81/64,268.30
  6. Step 6: Final answer
    x = 51,107.09

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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.