Home / 66,071.03-91,178.08-35,856.35

Finding the Fourth Proportional to 66,071.03, 91,178.08 and 35,856.35

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Solution

The fourth proportional to 66,071.03, 91,178.08 and 35,856.35 is: 49,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.03 : 91,178.08 = 35,856.35 : x
  2. Step 2: Convert to fraction form
    66,071.03/91,178.08 = 35,856.35/x
  3. Step 3: Cross multiply
    66,071.03x = 91,178.08 × 35,856.35
  4. Step 4: Simplify right side
    66,071.03x = 3,269,313,287.11
  5. Step 5: Solve for x
    x = 3,269,313,287.11/66,071.03
  6. Step 6: Final answer
    x = 49,481.80

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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.