Home / 52,761.16-72,809.92-28,562.00

Finding the Fourth Proportional to 52,761.16, 72,809.92 and 28,562.00

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Solution

The fourth proportional to 52,761.16, 72,809.92 and 28,562.00 is: 39,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,761.16 : 72,809.92 = 28,562.00 : x
  2. Step 2: Convert to fraction form
    52,761.16/72,809.92 = 28,562.00/x
  3. Step 3: Cross multiply
    52,761.16x = 72,809.92 × 28,562.00
  4. Step 4: Simplify right side
    52,761.16x = 2,079,597,045.66
  5. Step 5: Solve for x
    x = 2,079,597,045.66/52,761.16
  6. Step 6: Final answer
    x = 39,415.30

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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.