Home / 84,013.76-126,032.16-37,265.60

Finding the Fourth Proportional to 84,013.76, 126,032.16 and 37,265.60

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Solution

The fourth proportional to 84,013.76, 126,032.16 and 37,265.60 is: 55,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,013.76 : 126,032.16 = 37,265.60 : x
  2. Step 2: Convert to fraction form
    84,013.76/126,032.16 = 37,265.60/x
  3. Step 3: Cross multiply
    84,013.76x = 126,032.16 × 37,265.60
  4. Step 4: Simplify right side
    84,013.76x = 4,696,664,061.70
  5. Step 5: Solve for x
    x = 4,696,664,061.70/84,013.76
  6. Step 6: Final answer
    x = 55,903.51

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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.