Home / 66,088.21-91,201.82-35,873.52

Finding the Fourth Proportional to 66,088.21, 91,201.82 and 35,873.52

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Solution

The fourth proportional to 66,088.21, 91,201.82 and 35,873.52 is: 49,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,088.21 : 91,201.82 = 35,873.52 : x
  2. Step 2: Convert to fraction form
    66,088.21/91,201.82 = 35,873.52/x
  3. Step 3: Cross multiply
    66,088.21x = 91,201.82 × 35,873.52
  4. Step 4: Simplify right side
    66,088.21x = 3,271,730,313.81
  5. Step 5: Solve for x
    x = 3,271,730,313.81/66,088.21
  6. Step 6: Final answer
    x = 49,505.51

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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.