Home / 52,132.94-78,187.42-31,078.92

Finding the Fourth Proportional to 52,132.94, 78,187.42 and 31,078.92

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Solution

The fourth proportional to 52,132.94, 78,187.42 and 31,078.92 is: 46,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,132.94 : 78,187.42 = 31,078.92 : x
  2. Step 2: Convert to fraction form
    52,132.94/78,187.42 = 31,078.92/x
  3. Step 3: Cross multiply
    52,132.94x = 78,187.42 × 31,078.92
  4. Step 4: Simplify right side
    52,132.94x = 2,429,980,571.19
  5. Step 5: Solve for x
    x = 2,429,980,571.19/52,132.94
  6. Step 6: Final answer
    x = 46,611.23

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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.