Home / 66,817.39-92,134.10-42,579.96

Finding the Fourth Proportional to 66,817.39, 92,134.10 and 42,579.96

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Solution

The fourth proportional to 66,817.39, 92,134.10 and 42,579.96 is: 58,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,817.39 : 92,134.10 = 42,579.96 : x
  2. Step 2: Convert to fraction form
    66,817.39/92,134.10 = 42,579.96/x
  3. Step 3: Cross multiply
    66,817.39x = 92,134.10 × 42,579.96
  4. Step 4: Simplify right side
    66,817.39x = 3,923,066,053.58
  5. Step 5: Solve for x
    x = 3,923,066,053.58/66,817.39
  6. Step 6: Final answer
    x = 58,713.25

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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.