Home / 55,330.26-76,355.55-31,456.93

Finding the Fourth Proportional to 55,330.26, 76,355.55 and 31,456.93

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Solution

The fourth proportional to 55,330.26, 76,355.55 and 31,456.93 is: 43,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.26 : 76,355.55 = 31,456.93 : x
  2. Step 2: Convert to fraction form
    55,330.26/76,355.55 = 31,456.93/x
  3. Step 3: Cross multiply
    55,330.26x = 76,355.55 × 31,456.93
  4. Step 4: Simplify right side
    55,330.26x = 2,401,911,191.46
  5. Step 5: Solve for x
    x = 2,401,911,191.46/55,330.26
  6. Step 6: Final answer
    x = 43,410.44

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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.