Home / 66,325.31-91,530.83-36,111.14

Finding the Fourth Proportional to 66,325.31, 91,530.83 and 36,111.14

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Solution

The fourth proportional to 66,325.31, 91,530.83 and 36,111.14 is: 49,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325.31 : 91,530.83 = 36,111.14 : x
  2. Step 2: Convert to fraction form
    66,325.31/91,530.83 = 36,111.14/x
  3. Step 3: Cross multiply
    66,325.31x = 91,530.83 × 36,111.14
  4. Step 4: Simplify right side
    66,325.31x = 3,305,281,978.24
  5. Step 5: Solve for x
    x = 3,305,281,978.24/66,325.31
  6. Step 6: Final answer
    x = 49,834.40

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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.