Home / 52,782.15-72,839.31-28,583.10

Finding the Fourth Proportional to 52,782.15, 72,839.31 and 28,583.10

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Solution

The fourth proportional to 52,782.15, 72,839.31 and 28,583.10 is: 39,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.15 : 72,839.31 = 28,583.10 : x
  2. Step 2: Convert to fraction form
    52,782.15/72,839.31 = 28,583.10/x
  3. Step 3: Cross multiply
    52,782.15x = 72,839.31 × 28,583.10
  4. Step 4: Simplify right side
    52,782.15x = 2,081,973,281.66
  5. Step 5: Solve for x
    x = 2,081,973,281.66/52,782.15
  6. Step 6: Final answer
    x = 39,444.65

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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.