Home / 55,168.48-76,132.08-30,017.92

Finding the Fourth Proportional to 55,168.48, 76,132.08 and 30,017.92

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Solution

The fourth proportional to 55,168.48, 76,132.08 and 30,017.92 is: 41,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.48 : 76,132.08 = 30,017.92 : x
  2. Step 2: Convert to fraction form
    55,168.48/76,132.08 = 30,017.92/x
  3. Step 3: Cross multiply
    55,168.48x = 76,132.08 × 30,017.92
  4. Step 4: Simplify right side
    55,168.48x = 2,285,326,686.87
  5. Step 5: Solve for x
    x = 2,285,326,686.87/55,168.48
  6. Step 6: Final answer
    x = 41,424.50

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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.