Home / 66,732.42-92,081.68-39,869.25

Finding the Fourth Proportional to 66,732.42, 92,081.68 and 39,869.25

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Solution

The fourth proportional to 66,732.42, 92,081.68 and 39,869.25 is: 55,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,732.42 : 92,081.68 = 39,869.25 : x
  2. Step 2: Convert to fraction form
    66,732.42/92,081.68 = 39,869.25/x
  3. Step 3: Cross multiply
    66,732.42x = 92,081.68 × 39,869.25
  4. Step 4: Simplify right side
    66,732.42x = 3,671,227,075.36
  5. Step 5: Solve for x
    x = 3,671,227,075.36/66,732.42
  6. Step 6: Final answer
    x = 55,014.14

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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.