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Finding the Fourth Proportional to 66,194.82, 91,349.02 and 35,980.10

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Solution

The fourth proportional to 66,194.82, 91,349.02 and 35,980.10 is: 49,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194.82 : 91,349.02 = 35,980.10 : x
  2. Step 2: Convert to fraction form
    66,194.82/91,349.02 = 35,980.10/x
  3. Step 3: Cross multiply
    66,194.82x = 91,349.02 × 35,980.10
  4. Step 4: Simplify right side
    66,194.82x = 3,286,746,602.90
  5. Step 5: Solve for x
    x = 3,286,746,602.90/66,194.82
  6. Step 6: Final answer
    x = 49,652.63

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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.