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Finding the Fourth Proportional to 66,037.91, 91,132.01 and 35,823.25

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Solution

The fourth proportional to 66,037.91, 91,132.01 and 35,823.25 is: 49,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,037.91 : 91,132.01 = 35,823.25 : x
  2. Step 2: Convert to fraction form
    66,037.91/91,132.01 = 35,823.25/x
  3. Step 3: Cross multiply
    66,037.91x = 91,132.01 × 35,823.25
  4. Step 4: Simplify right side
    66,037.91x = 3,264,644,777.23
  5. Step 5: Solve for x
    x = 3,264,644,777.23/66,037.91
  6. Step 6: Final answer
    x = 49,435.92

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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.