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Finding the Fourth Proportional to 88,239, 132,284.08 and 38,281.51

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Solution

The fourth proportional to 88,239, 132,284.08 and 38,281.51 is: 57,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239 : 132,284.08 = 38,281.51 : x
  2. Step 2: Convert to fraction form
    88,239/132,284.08 = 38,281.51/x
  3. Step 3: Cross multiply
    88,239x = 132,284.08 × 38,281.51
  4. Step 4: Simplify right side
    88,239x = 5,064,033,904.95
  5. Step 5: Solve for x
    x = 5,064,033,904.95/88,239
  6. Step 6: Final answer
    x = 57,389.97

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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.