Home / 115,934.60-173,901.90-56,739.80

Finding the Fourth Proportional to 115,934.60, 173,901.90 and 56,739.80

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Solution

The fourth proportional to 115,934.60, 173,901.90 and 56,739.80 is: 85,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,934.60 : 173,901.90 = 56,739.80 : x
  2. Step 2: Convert to fraction form
    115,934.60/173,901.90 = 56,739.80/x
  3. Step 3: Cross multiply
    115,934.60x = 173,901.90 × 56,739.80
  4. Step 4: Simplify right side
    115,934.60x = 9,867,159,025.62
  5. Step 5: Solve for x
    x = 9,867,159,025.62/115,934.60
  6. Step 6: Final answer
    x = 85,109.70

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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.