Home / 52,800.75-72,865.04-28,927.53

Finding the Fourth Proportional to 52,800.75, 72,865.04 and 28,927.53

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Solution

The fourth proportional to 52,800.75, 72,865.04 and 28,927.53 is: 39,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.75 : 72,865.04 = 28,927.53 : x
  2. Step 2: Convert to fraction form
    52,800.75/72,865.04 = 28,927.53/x
  3. Step 3: Cross multiply
    52,800.75x = 72,865.04 × 28,927.53
  4. Step 4: Simplify right side
    52,800.75x = 2,107,805,485.91
  5. Step 5: Solve for x
    x = 2,107,805,485.91/52,800.75
  6. Step 6: Final answer
    x = 39,919.99

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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.