Home / 52,761.05-72,807.36-28,883.11

Finding the Fourth Proportional to 52,761.05, 72,807.36 and 28,883.11

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Solution

The fourth proportional to 52,761.05, 72,807.36 and 28,883.11 is: 39,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,761.05 : 72,807.36 = 28,883.11 : x
  2. Step 2: Convert to fraction form
    52,761.05/72,807.36 = 28,883.11/x
  3. Step 3: Cross multiply
    52,761.05x = 72,807.36 × 28,883.11
  4. Step 4: Simplify right side
    52,761.05x = 2,102,902,987.69
  5. Step 5: Solve for x
    x = 2,102,902,987.69/52,761.05
  6. Step 6: Final answer
    x = 39,857.11

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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.