Home / 52,869.77-72,961.22-28,996.23

Finding the Fourth Proportional to 52,869.77, 72,961.22 and 28,996.23

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Solution

The fourth proportional to 52,869.77, 72,961.22 and 28,996.23 is: 40,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.77 : 72,961.22 = 28,996.23 : x
  2. Step 2: Convert to fraction form
    52,869.77/72,961.22 = 28,996.23/x
  3. Step 3: Cross multiply
    52,869.77x = 72,961.22 × 28,996.23
  4. Step 4: Simplify right side
    52,869.77x = 2,115,600,316.20
  5. Step 5: Solve for x
    x = 2,115,600,316.20/52,869.77
  6. Step 6: Final answer
    x = 40,015.31

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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.