Home / 92,170.73-127,130.05-61,528.39

Finding the Fourth Proportional to 92,170.73, 127,130.05 and 61,528.39

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Solution

The fourth proportional to 92,170.73, 127,130.05 and 61,528.39 is: 84,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,170.73 : 127,130.05 = 61,528.39 : x
  2. Step 2: Convert to fraction form
    92,170.73/127,130.05 = 61,528.39/x
  3. Step 3: Cross multiply
    92,170.73x = 127,130.05 × 61,528.39
  4. Step 4: Simplify right side
    92,170.73x = 7,822,107,297.12
  5. Step 5: Solve for x
    x = 7,822,107,297.12/92,170.73
  6. Step 6: Final answer
    x = 84,865.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.