Home / 55,487.04-76,572.18-30,336.54

Finding the Fourth Proportional to 55,487.04, 76,572.18 and 30,336.54

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Solution

The fourth proportional to 55,487.04, 76,572.18 and 30,336.54 is: 41,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487.04 : 76,572.18 = 30,336.54 : x
  2. Step 2: Convert to fraction form
    55,487.04/76,572.18 = 30,336.54/x
  3. Step 3: Cross multiply
    55,487.04x = 76,572.18 × 30,336.54
  4. Step 4: Simplify right side
    55,487.04x = 2,322,935,001.46
  5. Step 5: Solve for x
    x = 2,322,935,001.46/55,487.04
  6. Step 6: Final answer
    x = 41,864.46

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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.