Home / 374,731.13-562,091.50-90,419.31

Finding the Fourth Proportional to 374,731.13, 562,091.50 and 90,419.31

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Solution

The fourth proportional to 374,731.13, 562,091.50 and 90,419.31 is: 135,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,731.13 : 562,091.50 = 90,419.31 : x
  2. Step 2: Convert to fraction form
    374,731.13/562,091.50 = 90,419.31/x
  3. Step 3: Cross multiply
    374,731.13x = 562,091.50 × 90,419.31
  4. Step 4: Simplify right side
    374,731.13x = 50,823,922,324.31
  5. Step 5: Solve for x
    x = 50,823,922,324.31/374,731.13
  6. Step 6: Final answer
    x = 135,627.70

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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.