Home / 52,758.15-72,805.79-28,559.00

Finding the Fourth Proportional to 52,758.15, 72,805.79 and 28,559.00

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Solution

The fourth proportional to 52,758.15, 72,805.79 and 28,559.00 is: 39,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,758.15 : 72,805.79 = 28,559.00 : x
  2. Step 2: Convert to fraction form
    52,758.15/72,805.79 = 28,559.00/x
  3. Step 3: Cross multiply
    52,758.15x = 72,805.79 × 28,559.00
  4. Step 4: Simplify right side
    52,758.15x = 2,079,260,239.85
  5. Step 5: Solve for x
    x = 2,079,260,239.85/52,758.15
  6. Step 6: Final answer
    x = 39,411.17

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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.