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Finding the Fourth Proportional to 66,062.39, 91,167.68 and 35,848.98

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Solution

The fourth proportional to 66,062.39, 91,167.68 and 35,848.98 is: 49,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,062.39 : 91,167.68 = 35,848.98 : x
  2. Step 2: Convert to fraction form
    66,062.39/91,167.68 = 35,848.98/x
  3. Step 3: Cross multiply
    66,062.39x = 91,167.68 × 35,848.98
  4. Step 4: Simplify right side
    66,062.39x = 3,268,268,224.94
  5. Step 5: Solve for x
    x = 3,268,268,224.94/66,062.39
  6. Step 6: Final answer
    x = 49,472.45

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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.