Home / 66,330.53-91,538.37-36,117.02

Finding the Fourth Proportional to 66,330.53, 91,538.37 and 36,117.02

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Solution

The fourth proportional to 66,330.53, 91,538.37 and 36,117.02 is: 49,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.53 : 91,538.37 = 36,117.02 : x
  2. Step 2: Convert to fraction form
    66,330.53/91,538.37 = 36,117.02/x
  3. Step 3: Cross multiply
    66,330.53x = 91,538.37 × 36,117.02
  4. Step 4: Simplify right side
    66,330.53x = 3,306,093,140.06
  5. Step 5: Solve for x
    x = 3,306,093,140.06/66,330.53
  6. Step 6: Final answer
    x = 49,842.71

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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.