Home / 115,838.60-173,855.10-56,724.80

Finding the Fourth Proportional to 115,838.60, 173,855.10 and 56,724.80

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Solution

The fourth proportional to 115,838.60, 173,855.10 and 56,724.80 is: 85,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,838.60 : 173,855.10 = 56,724.80 : x
  2. Step 2: Convert to fraction form
    115,838.60/173,855.10 = 56,724.80/x
  3. Step 3: Cross multiply
    115,838.60x = 173,855.10 × 56,724.80
  4. Step 4: Simplify right side
    115,838.60x = 9,861,895,776.48
  5. Step 5: Solve for x
    x = 9,861,895,776.48/115,838.60
  6. Step 6: Final answer
    x = 85,134.80

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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.