Home / 92,220.76-138,336.06-29,045.82

Finding the Fourth Proportional to 92,220.76, 138,336.06 and 29,045.82

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Solution

The fourth proportional to 92,220.76, 138,336.06 and 29,045.82 is: 43,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,220.76 : 138,336.06 = 29,045.82 : x
  2. Step 2: Convert to fraction form
    92,220.76/138,336.06 = 29,045.82/x
  3. Step 3: Cross multiply
    92,220.76x = 138,336.06 × 29,045.82
  4. Step 4: Simplify right side
    92,220.76x = 4,018,084,298.27
  5. Step 5: Solve for x
    x = 4,018,084,298.27/92,220.76
  6. Step 6: Final answer
    x = 43,570.28

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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.