Home / 85,468.04-117,947.14-47,228.47

Finding the Fourth Proportional to 85,468.04, 117,947.14 and 47,228.47

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Solution

The fourth proportional to 85,468.04, 117,947.14 and 47,228.47 is: 65,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,468.04 : 117,947.14 = 47,228.47 : x
  2. Step 2: Convert to fraction form
    85,468.04/117,947.14 = 47,228.47/x
  3. Step 3: Cross multiply
    85,468.04x = 117,947.14 × 47,228.47
  4. Step 4: Simplify right side
    85,468.04x = 5,570,462,963.08
  5. Step 5: Solve for x
    x = 5,570,462,963.08/85,468.04
  6. Step 6: Final answer
    x = 65,175.98

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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.