Home / 115,711.41-173,665.74-45,639.93

Finding the Fourth Proportional to 115,711.41, 173,665.74 and 45,639.93

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Solution

The fourth proportional to 115,711.41, 173,665.74 and 45,639.93 is: 68,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,711.41 : 173,665.74 = 45,639.93 : x
  2. Step 2: Convert to fraction form
    115,711.41/173,665.74 = 45,639.93/x
  3. Step 3: Cross multiply
    115,711.41x = 173,665.74 × 45,639.93
  4. Step 4: Simplify right side
    115,711.41x = 7,926,092,217.00
  5. Step 5: Solve for x
    x = 7,926,092,217.00/115,711.41
  6. Step 6: Final answer
    x = 68,498.80

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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.