Home / 52,222.52-72,066.99-28,349.20

Finding the Fourth Proportional to 52,222.52, 72,066.99 and 28,349.20

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Solution

The fourth proportional to 52,222.52, 72,066.99 and 28,349.20 is: 39,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,222.52 : 72,066.99 = 28,349.20 : x
  2. Step 2: Convert to fraction form
    52,222.52/72,066.99 = 28,349.20/x
  3. Step 3: Cross multiply
    52,222.52x = 72,066.99 × 28,349.20
  4. Step 4: Simplify right side
    52,222.52x = 2,043,041,332.74
  5. Step 5: Solve for x
    x = 2,043,041,332.74/52,222.52
  6. Step 6: Final answer
    x = 39,121.85

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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.