Home / 71,180.25-106,834.77-37,928.40

Finding the Fourth Proportional to 71,180.25, 106,834.77 and 37,928.40

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Solution

The fourth proportional to 71,180.25, 106,834.77 and 37,928.40 is: 56,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,180.25 : 106,834.77 = 37,928.40 : x
  2. Step 2: Convert to fraction form
    71,180.25/106,834.77 = 37,928.40/x
  3. Step 3: Cross multiply
    71,180.25x = 106,834.77 × 37,928.40
  4. Step 4: Simplify right side
    71,180.25x = 4,052,071,890.47
  5. Step 5: Solve for x
    x = 4,052,071,890.47/71,180.25
  6. Step 6: Final answer
    x = 56,926.91

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1.5x scale

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.