Home / 112,486.08-155,229.60-62,184.96

Finding the Fourth Proportional to 112,486.08, 155,229.60 and 62,184.96

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Solution

The fourth proportional to 112,486.08, 155,229.60 and 62,184.96 is: 85,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,486.08 : 155,229.60 = 62,184.96 : x
  2. Step 2: Convert to fraction form
    112,486.08/155,229.60 = 62,184.96/x
  3. Step 3: Cross multiply
    112,486.08x = 155,229.60 × 62,184.96
  4. Step 4: Simplify right side
    112,486.08x = 9,652,946,466.82
  5. Step 5: Solve for x
    x = 9,652,946,466.82/112,486.08
  6. Step 6: Final answer
    x = 85,814.59

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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.