Home / 106,707.22-160,103.86-47,502.40

Finding the Fourth Proportional to 106,707.22, 160,103.86 and 47,502.40

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Solution

The fourth proportional to 106,707.22, 160,103.86 and 47,502.40 is: 71,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,707.22 : 160,103.86 = 47,502.40 : x
  2. Step 2: Convert to fraction form
    106,707.22/160,103.86 = 47,502.40/x
  3. Step 3: Cross multiply
    106,707.22x = 160,103.86 × 47,502.40
  4. Step 4: Simplify right side
    106,707.22x = 7,605,317,599.26
  5. Step 5: Solve for x
    x = 7,605,317,599.26/106,707.22
  6. Step 6: Final answer
    x = 71,272.76

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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.