Home / 66,367.06-91,585.83-38,077.18

Finding the Fourth Proportional to 66,367.06, 91,585.83 and 38,077.18

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Solution

The fourth proportional to 66,367.06, 91,585.83 and 38,077.18 is: 52,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,367.06 : 91,585.83 = 38,077.18 : x
  2. Step 2: Convert to fraction form
    66,367.06/91,585.83 = 38,077.18/x
  3. Step 3: Cross multiply
    66,367.06x = 91,585.83 × 38,077.18
  4. Step 4: Simplify right side
    66,367.06x = 3,487,330,134.36
  5. Step 5: Solve for x
    x = 3,487,330,134.36/66,367.06
  6. Step 6: Final answer
    x = 52,546.10

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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.