Home / 66,898.90-100,358.07-35,717.14

Finding the Fourth Proportional to 66,898.90, 100,358.07 and 35,717.14

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Solution

The fourth proportional to 66,898.90, 100,358.07 and 35,717.14 is: 53,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,898.90 : 100,358.07 = 35,717.14 : x
  2. Step 2: Convert to fraction form
    66,898.90/100,358.07 = 35,717.14/x
  3. Step 3: Cross multiply
    66,898.90x = 100,358.07 × 35,717.14
  4. Step 4: Simplify right side
    66,898.90x = 3,584,503,236.32
  5. Step 5: Solve for x
    x = 3,584,503,236.32/66,898.90
  6. Step 6: Final answer
    x = 53,580.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.