Home / 66,033.18-91,124.01-40,182.03

Finding the Fourth Proportional to 66,033.18, 91,124.01 and 40,182.03

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Solution

The fourth proportional to 66,033.18, 91,124.01 and 40,182.03 is: 55,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033.18 : 91,124.01 = 40,182.03 : x
  2. Step 2: Convert to fraction form
    66,033.18/91,124.01 = 40,182.03/x
  3. Step 3: Cross multiply
    66,033.18x = 91,124.01 × 40,182.03
  4. Step 4: Simplify right side
    66,033.18x = 3,661,547,703.54
  5. Step 5: Solve for x
    x = 3,661,547,703.54/66,033.18
  6. Step 6: Final answer
    x = 55,450.12

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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.