Home / 106,707.60-160,014.25-56,775.86

Finding the Fourth Proportional to 106,707.60, 160,014.25 and 56,775.86

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Solution

The fourth proportional to 106,707.60, 160,014.25 and 56,775.86 is: 85,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,707.60 : 160,014.25 = 56,775.86 : x
  2. Step 2: Convert to fraction form
    106,707.60/160,014.25 = 56,775.86/x
  3. Step 3: Cross multiply
    106,707.60x = 160,014.25 × 56,775.86
  4. Step 4: Simplify right side
    106,707.60x = 9,084,946,656.01
  5. Step 5: Solve for x
    x = 9,084,946,656.01/106,707.60
  6. Step 6: Final answer
    x = 85,138.70

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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.