Home / 52,273.18-72,137.76-28,400.32

Finding the Fourth Proportional to 52,273.18, 72,137.76 and 28,400.32

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Solution

The fourth proportional to 52,273.18, 72,137.76 and 28,400.32 is: 39,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,273.18 : 72,137.76 = 28,400.32 : x
  2. Step 2: Convert to fraction form
    52,273.18/72,137.76 = 28,400.32/x
  3. Step 3: Cross multiply
    52,273.18x = 72,137.76 × 28,400.32
  4. Step 4: Simplify right side
    52,273.18x = 2,048,735,468.08
  5. Step 5: Solve for x
    x = 2,048,735,468.08/52,273.18
  6. Step 6: Final answer
    x = 39,192.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.