Home / 43,175.60-64,633.80-25,636.40

Finding the Fourth Proportional to 43,175.60, 64,633.80 and 25,636.40

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Solution

The fourth proportional to 43,175.60, 64,633.80 and 25,636.40 is: 38,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,175.60 : 64,633.80 = 25,636.40 : x
  2. Step 2: Convert to fraction form
    43,175.60/64,633.80 = 25,636.40/x
  3. Step 3: Cross multiply
    43,175.60x = 64,633.80 × 25,636.40
  4. Step 4: Simplify right side
    43,175.60x = 1,656,977,950.32
  5. Step 5: Solve for x
    x = 1,656,977,950.32/43,175.60
  6. Step 6: Final answer
    x = 38,377.65

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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.