Home / 112,969.90-169,456.05-34,084.81

Finding the Fourth Proportional to 112,969.90, 169,456.05 and 34,084.81

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Solution

The fourth proportional to 112,969.90, 169,456.05 and 34,084.81 is: 51,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969.90 : 169,456.05 = 34,084.81 : x
  2. Step 2: Convert to fraction form
    112,969.90/169,456.05 = 34,084.81/x
  3. Step 3: Cross multiply
    112,969.90x = 169,456.05 × 34,084.81
  4. Step 4: Simplify right side
    112,969.90x = 5,775,877,267.60
  5. Step 5: Solve for x
    x = 5,775,877,267.60/112,969.90
  6. Step 6: Final answer
    x = 51,127.58

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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.