Home / 85,240.04-127,878.52-32,649.54

Finding the Fourth Proportional to 85,240.04, 127,878.52 and 32,649.54

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Solution

The fourth proportional to 85,240.04, 127,878.52 and 32,649.54 is: 48,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,240.04 : 127,878.52 = 32,649.54 : x
  2. Step 2: Convert to fraction form
    85,240.04/127,878.52 = 32,649.54/x
  3. Step 3: Cross multiply
    85,240.04x = 127,878.52 × 32,649.54
  4. Step 4: Simplify right side
    85,240.04x = 4,175,174,853.88
  5. Step 5: Solve for x
    x = 4,175,174,853.88/85,240.04
  6. Step 6: Final answer
    x = 48,981.38

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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.