Home / 115,909.02-173,863.52-63,289.80

Finding the Fourth Proportional to 115,909.02, 173,863.52 and 63,289.80

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Solution

The fourth proportional to 115,909.02, 173,863.52 and 63,289.80 is: 94,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909.02 : 173,863.52 = 63,289.80 : x
  2. Step 2: Convert to fraction form
    115,909.02/173,863.52 = 63,289.80/x
  3. Step 3: Cross multiply
    115,909.02x = 173,863.52 × 63,289.80
  4. Step 4: Simplify right side
    115,909.02x = 11,003,787,408.10
  5. Step 5: Solve for x
    x = 11,003,787,408.10/115,909.02
  6. Step 6: Final answer
    x = 94,934.69

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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.