Home / 78,497.04-117,745.59-19,333.86

Finding the Fourth Proportional to 78,497.04, 117,745.59 and 19,333.86

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Solution

The fourth proportional to 78,497.04, 117,745.59 and 19,333.86 is: 29,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,497.04 : 117,745.59 = 19,333.86 : x
  2. Step 2: Convert to fraction form
    78,497.04/117,745.59 = 19,333.86/x
  3. Step 3: Cross multiply
    78,497.04x = 117,745.59 × 19,333.86
  4. Step 4: Simplify right side
    78,497.04x = 2,276,476,752.68
  5. Step 5: Solve for x
    x = 2,276,476,752.68/78,497.04
  6. Step 6: Final answer
    x = 29,000.80

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1.5x scale

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.