Home / 106,860.60-147,464.96-61,537.59

Finding the Fourth Proportional to 106,860.60, 147,464.96 and 61,537.59

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Solution

The fourth proportional to 106,860.60, 147,464.96 and 61,537.59 is: 84,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860.60 : 147,464.96 = 61,537.59 : x
  2. Step 2: Convert to fraction form
    106,860.60/147,464.96 = 61,537.59/x
  3. Step 3: Cross multiply
    106,860.60x = 147,464.96 × 61,537.59
  4. Step 4: Simplify right side
    106,860.60x = 9,074,637,940.16
  5. Step 5: Solve for x
    x = 9,074,637,940.16/106,860.60
  6. Step 6: Final answer
    x = 84,920.33

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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.