Home / 106,899.75-147,537.30-61,568.91

Finding the Fourth Proportional to 106,899.75, 147,537.30 and 61,568.91

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Solution

The fourth proportional to 106,899.75, 147,537.30 and 61,568.91 is: 84,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,899.75 : 147,537.30 = 61,568.91 : x
  2. Step 2: Convert to fraction form
    106,899.75/147,537.30 = 61,568.91/x
  3. Step 3: Cross multiply
    106,899.75x = 147,537.30 × 61,568.91
  4. Step 4: Simplify right side
    106,899.75x = 9,083,709,699.81
  5. Step 5: Solve for x
    x = 9,083,709,699.81/106,899.75
  6. Step 6: Final answer
    x = 84,974.10

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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.