Home / 56,425.48-84,697.78-55,154.60

Finding the Fourth Proportional to 56,425.48, 84,697.78 and 55,154.60

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Solution

The fourth proportional to 56,425.48, 84,697.78 and 55,154.60 is: 82,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,425.48 : 84,697.78 = 55,154.60 : x
  2. Step 2: Convert to fraction form
    56,425.48/84,697.78 = 55,154.60/x
  3. Step 3: Cross multiply
    56,425.48x = 84,697.78 × 55,154.60
  4. Step 4: Simplify right side
    56,425.48x = 4,671,472,176.79
  5. Step 5: Solve for x
    x = 4,671,472,176.79/56,425.48
  6. Step 6: Final answer
    x = 82,790.12

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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.