Home / 61,898.20-85,419.28-33,603.88

Finding the Fourth Proportional to 61,898.20, 85,419.28 and 33,603.88

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Solution

The fourth proportional to 61,898.20, 85,419.28 and 33,603.88 is: 46,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,898.20 : 85,419.28 = 33,603.88 : x
  2. Step 2: Convert to fraction form
    61,898.20/85,419.28 = 33,603.88/x
  3. Step 3: Cross multiply
    61,898.20x = 85,419.28 × 33,603.88
  4. Step 4: Simplify right side
    61,898.20x = 2,870,419,234.81
  5. Step 5: Solve for x
    x = 2,870,419,234.81/61,898.20
  6. Step 6: Final answer
    x = 46,373.23

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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.