Home / 78,805.44-118,052.64-59,106.24

Finding the Fourth Proportional to 78,805.44, 118,052.64 and 59,106.24

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Solution

The fourth proportional to 78,805.44, 118,052.64 and 59,106.24 is: 88,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,805.44 : 118,052.64 = 59,106.24 : x
  2. Step 2: Convert to fraction form
    78,805.44/118,052.64 = 59,106.24/x
  3. Step 3: Cross multiply
    78,805.44x = 118,052.64 × 59,106.24
  4. Step 4: Simplify right side
    78,805.44x = 6,977,647,672.47
  5. Step 5: Solve for x
    x = 6,977,647,672.47/78,805.44
  6. Step 6: Final answer
    x = 88,542.72

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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.