Home / 109,865.52-164,610.18-59,980.68

Finding the Fourth Proportional to 109,865.52, 164,610.18 and 59,980.68

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Solution

The fourth proportional to 109,865.52, 164,610.18 and 59,980.68 is: 89,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,865.52 : 164,610.18 = 59,980.68 : x
  2. Step 2: Convert to fraction form
    109,865.52/164,610.18 = 59,980.68/x
  3. Step 3: Cross multiply
    109,865.52x = 164,610.18 × 59,980.68
  4. Step 4: Simplify right side
    109,865.52x = 9,873,430,531.32
  5. Step 5: Solve for x
    x = 9,873,430,531.32/109,865.52
  6. Step 6: Final answer
    x = 89,868.33

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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.