Home / 85,252.52-117,649.28-47,013.40

Finding the Fourth Proportional to 85,252.52, 117,649.28 and 47,013.40

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Solution

The fourth proportional to 85,252.52, 117,649.28 and 47,013.40 is: 64,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.52 : 117,649.28 = 47,013.40 : x
  2. Step 2: Convert to fraction form
    85,252.52/117,649.28 = 47,013.40/x
  3. Step 3: Cross multiply
    85,252.52x = 117,649.28 × 47,013.40
  4. Step 4: Simplify right side
    85,252.52x = 5,531,092,660.35
  5. Step 5: Solve for x
    x = 5,531,092,660.35/85,252.52
  6. Step 6: Final answer
    x = 64,878.93

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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.