Home / 52,857.08-72,942.71-28,984.14

Finding the Fourth Proportional to 52,857.08, 72,942.71 and 28,984.14

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Solution

The fourth proportional to 52,857.08, 72,942.71 and 28,984.14 is: 39,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857.08 : 72,942.71 = 28,984.14 : x
  2. Step 2: Convert to fraction form
    52,857.08/72,942.71 = 28,984.14/x
  3. Step 3: Cross multiply
    52,857.08x = 72,942.71 × 28,984.14
  4. Step 4: Simplify right side
    52,857.08x = 2,114,181,573.70
  5. Step 5: Solve for x
    x = 2,114,181,573.70/52,857.08
  6. Step 6: Final answer
    x = 39,998.08

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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.