Home / 66,071.61-91,179.50-35,857.19

Finding the Fourth Proportional to 66,071.61, 91,179.50 and 35,857.19

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Solution

The fourth proportional to 66,071.61, 91,179.50 and 35,857.19 is: 49,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.61 : 91,179.50 = 35,857.19 : x
  2. Step 2: Convert to fraction form
    66,071.61/91,179.50 = 35,857.19/x
  3. Step 3: Cross multiply
    66,071.61x = 91,179.50 × 35,857.19
  4. Step 4: Simplify right side
    66,071.61x = 3,269,440,020.42
  5. Step 5: Solve for x
    x = 3,269,440,020.42/66,071.61
  6. Step 6: Final answer
    x = 49,483.28

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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.