Home / 66,318.01-91,518.59-36,103.23

Finding the Fourth Proportional to 66,318.01, 91,518.59 and 36,103.23

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Solution

The fourth proportional to 66,318.01, 91,518.59 and 36,103.23 is: 49,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,318.01 : 91,518.59 = 36,103.23 : x
  2. Step 2: Convert to fraction form
    66,318.01/91,518.59 = 36,103.23/x
  3. Step 3: Cross multiply
    66,318.01x = 91,518.59 × 36,103.23
  4. Step 4: Simplify right side
    66,318.01x = 3,304,116,794.30
  5. Step 5: Solve for x
    x = 3,304,116,794.30/66,318.01
  6. Step 6: Final answer
    x = 49,822.32

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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.