Home / 112,982.40-169,441.20-34,077.60

Finding the Fourth Proportional to 112,982.40, 169,441.20 and 34,077.60

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Solution

The fourth proportional to 112,982.40, 169,441.20 and 34,077.60 is: 51,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.40 : 169,441.20 = 34,077.60 : x
  2. Step 2: Convert to fraction form
    112,982.40/169,441.20 = 34,077.60/x
  3. Step 3: Cross multiply
    112,982.40x = 169,441.20 × 34,077.60
  4. Step 4: Simplify right side
    112,982.40x = 5,774,149,437.12
  5. Step 5: Solve for x
    x = 5,774,149,437.12/112,982.40
  6. Step 6: Final answer
    x = 51,106.63

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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.