Home / 70,981.26-106,545.60-52,282.32

Finding the Fourth Proportional to 70,981.26, 106,545.60 and 52,282.32

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Solution

The fourth proportional to 70,981.26, 106,545.60 and 52,282.32 is: 78,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,981.26 : 106,545.60 = 52,282.32 : x
  2. Step 2: Convert to fraction form
    70,981.26/106,545.60 = 52,282.32/x
  3. Step 3: Cross multiply
    70,981.26x = 106,545.60 × 52,282.32
  4. Step 4: Simplify right side
    70,981.26x = 5,570,451,153.79
  5. Step 5: Solve for x
    x = 5,570,451,153.79/70,981.26
  6. Step 6: Final answer
    x = 78,477.77

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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.