Home / 102,587.40-153,788.22-40,241.16

Finding the Fourth Proportional to 102,587.40, 153,788.22 and 40,241.16

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Solution

The fourth proportional to 102,587.40, 153,788.22 and 40,241.16 is: 60,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,587.40 : 153,788.22 = 40,241.16 : x
  2. Step 2: Convert to fraction form
    102,587.40/153,788.22 = 40,241.16/x
  3. Step 3: Cross multiply
    102,587.40x = 153,788.22 × 40,241.16
  4. Step 4: Simplify right side
    102,587.40x = 6,188,616,367.14
  5. Step 5: Solve for x
    x = 6,188,616,367.14/102,587.40
  6. Step 6: Final answer
    x = 60,325.31

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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.