Home / 106,837.60-160,126.80-47,610.40

Finding the Fourth Proportional to 106,837.60, 160,126.80 and 47,610.40

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Solution

The fourth proportional to 106,837.60, 160,126.80 and 47,610.40 is: 71,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,837.60 : 160,126.80 = 47,610.40 : x
  2. Step 2: Convert to fraction form
    106,837.60/160,126.80 = 47,610.40/x
  3. Step 3: Cross multiply
    106,837.60x = 160,126.80 × 47,610.40
  4. Step 4: Simplify right side
    106,837.60x = 7,623,700,998.72
  5. Step 5: Solve for x
    x = 7,623,700,998.72/106,837.60
  6. Step 6: Final answer
    x = 71,357.85

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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.