Home / 66,222.23-91,385.38-36,007.28

Finding the Fourth Proportional to 66,222.23, 91,385.38 and 36,007.28

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Solution

The fourth proportional to 66,222.23, 91,385.38 and 36,007.28 is: 49,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.23 : 91,385.38 = 36,007.28 : x
  2. Step 2: Convert to fraction form
    66,222.23/91,385.38 = 36,007.28/x
  3. Step 3: Cross multiply
    66,222.23x = 91,385.38 × 36,007.28
  4. Step 4: Simplify right side
    66,222.23x = 3,290,539,052.09
  5. Step 5: Solve for x
    x = 3,290,539,052.09/66,222.23
  6. Step 6: Final answer
    x = 49,689.35

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1.5x scale

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.