Home / 107,706.48-161,598.60-55,140.72

Finding the Fourth Proportional to 107,706.48, 161,598.60 and 55,140.72

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Solution

The fourth proportional to 107,706.48, 161,598.60 and 55,140.72 is: 82,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,706.48 : 161,598.60 = 55,140.72 : x
  2. Step 2: Convert to fraction form
    107,706.48/161,598.60 = 55,140.72/x
  3. Step 3: Cross multiply
    107,706.48x = 161,598.60 × 55,140.72
  4. Step 4: Simplify right side
    107,706.48x = 8,910,663,154.99
  5. Step 5: Solve for x
    x = 8,910,663,154.99/107,706.48
  6. Step 6: Final answer
    x = 82,730.98

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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.