Home / 106,909.83-160,317.36-56,980.62

Finding the Fourth Proportional to 106,909.83, 160,317.36 and 56,980.62

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Solution

The fourth proportional to 106,909.83, 160,317.36 and 56,980.62 is: 85,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,909.83 : 160,317.36 = 56,980.62 : x
  2. Step 2: Convert to fraction form
    106,909.83/160,317.36 = 56,980.62/x
  3. Step 3: Cross multiply
    106,909.83x = 160,317.36 × 56,980.62
  4. Step 4: Simplify right side
    106,909.83x = 9,134,982,569.56
  5. Step 5: Solve for x
    x = 9,134,982,569.56/106,909.83
  6. Step 6: Final answer
    x = 85,445.67

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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.