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Finding the Fourth Proportional to 60,281.64, 83,171.40 and 34,786.08

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Solution

The fourth proportional to 60,281.64, 83,171.40 and 34,786.08 is: 47,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,281.64 : 83,171.40 = 34,786.08 : x
  2. Step 2: Convert to fraction form
    60,281.64/83,171.40 = 34,786.08/x
  3. Step 3: Cross multiply
    60,281.64x = 83,171.40 × 34,786.08
  4. Step 4: Simplify right side
    60,281.64x = 2,893,206,974.11
  5. Step 5: Solve for x
    x = 2,893,206,974.11/60,281.64
  6. Step 6: Final answer
    x = 47,994.83

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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.