Home / 72,208.35-108,222.15-34,758.39

Finding the Fourth Proportional to 72,208.35, 108,222.15 and 34,758.39

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Solution

The fourth proportional to 72,208.35, 108,222.15 and 34,758.39 is: 52,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,208.35 : 108,222.15 = 34,758.39 : x
  2. Step 2: Convert to fraction form
    72,208.35/108,222.15 = 34,758.39/x
  3. Step 3: Cross multiply
    72,208.35x = 108,222.15 × 34,758.39
  4. Step 4: Simplify right side
    72,208.35x = 3,761,627,696.34
  5. Step 5: Solve for x
    x = 3,761,627,696.34/72,208.35
  6. Step 6: Final answer
    x = 52,094.08

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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.