Home / 109,970.24-164,971.60-39,833.20

Finding the Fourth Proportional to 109,970.24, 164,971.60 and 39,833.20

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Solution

The fourth proportional to 109,970.24, 164,971.60 and 39,833.20 is: 59,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,970.24 : 164,971.60 = 39,833.20 : x
  2. Step 2: Convert to fraction form
    109,970.24/164,971.60 = 39,833.20/x
  3. Step 3: Cross multiply
    109,970.24x = 164,971.60 × 39,833.20
  4. Step 4: Simplify right side
    109,970.24x = 6,571,346,737.12
  5. Step 5: Solve for x
    x = 6,571,346,737.12/109,970.24
  6. Step 6: Final answer
    x = 59,755.68

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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.