Home / 112,969.50-169,335.99-38,063.76

Finding the Fourth Proportional to 112,969.50, 169,335.99 and 38,063.76

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Solution

The fourth proportional to 112,969.50, 169,335.99 and 38,063.76 is: 57,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969.50 : 169,335.99 = 38,063.76 : x
  2. Step 2: Convert to fraction form
    112,969.50/169,335.99 = 38,063.76/x
  3. Step 3: Cross multiply
    112,969.50x = 169,335.99 × 38,063.76
  4. Step 4: Simplify right side
    112,969.50x = 6,445,564,292.40
  5. Step 5: Solve for x
    x = 6,445,564,292.40/112,969.50
  6. Step 6: Final answer
    x = 57,055.79

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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.