Home / 61,901.21-85,424.61-33,606.90

Finding the Fourth Proportional to 61,901.21, 85,424.61 and 33,606.90

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Solution

The fourth proportional to 61,901.21, 85,424.61 and 33,606.90 is: 46,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,901.21 : 85,424.61 = 33,606.90 : x
  2. Step 2: Convert to fraction form
    61,901.21/85,424.61 = 33,606.90/x
  3. Step 3: Cross multiply
    61,901.21x = 85,424.61 × 33,606.90
  4. Step 4: Simplify right side
    61,901.21x = 2,870,856,325.81
  5. Step 5: Solve for x
    x = 2,870,856,325.81/61,901.21
  6. Step 6: Final answer
    x = 46,378.03

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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.