Home / 55,053.20-75,971.16-29,902.16

Finding the Fourth Proportional to 55,053.20, 75,971.16 and 29,902.16

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Solution

The fourth proportional to 55,053.20, 75,971.16 and 29,902.16 is: 41,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.20 : 75,971.16 = 29,902.16 : x
  2. Step 2: Convert to fraction form
    55,053.20/75,971.16 = 29,902.16/x
  3. Step 3: Cross multiply
    55,053.20x = 75,971.16 × 29,902.16
  4. Step 4: Simplify right side
    55,053.20x = 2,271,701,781.71
  5. Step 5: Solve for x
    x = 2,271,701,781.71/55,053.20
  6. Step 6: Final answer
    x = 41,263.76

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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.