Home / 107,385.95-160,833.60-51,265.51

Finding the Fourth Proportional to 107,385.95, 160,833.60 and 51,265.51

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Solution

The fourth proportional to 107,385.95, 160,833.60 and 51,265.51 is: 76,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,385.95 : 160,833.60 = 51,265.51 : x
  2. Step 2: Convert to fraction form
    107,385.95/160,833.60 = 51,265.51/x
  3. Step 3: Cross multiply
    107,385.95x = 160,833.60 × 51,265.51
  4. Step 4: Simplify right side
    107,385.95x = 8,245,216,127.05
  5. Step 5: Solve for x
    x = 8,245,216,127.05/107,385.95
  6. Step 6: Final answer
    x = 76,781.14

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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.