Home / 66,776.27-99,969.80-35,111.21

Finding the Fourth Proportional to 66,776.27, 99,969.80 and 35,111.21

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Solution

The fourth proportional to 66,776.27, 99,969.80 and 35,111.21 is: 52,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,776.27 : 99,969.80 = 35,111.21 : x
  2. Step 2: Convert to fraction form
    66,776.27/99,969.80 = 35,111.21/x
  3. Step 3: Cross multiply
    66,776.27x = 99,969.80 × 35,111.21
  4. Step 4: Simplify right side
    66,776.27x = 3,510,059,966.05
  5. Step 5: Solve for x
    x = 3,510,059,966.05/66,776.27
  6. Step 6: Final answer
    x = 52,564.48

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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.