Home / 52,403.76-72,314.91-28,530.51

Finding the Fourth Proportional to 52,403.76, 72,314.91 and 28,530.51

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Solution

The fourth proportional to 52,403.76, 72,314.91 and 28,530.51 is: 39,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.76 : 72,314.91 = 28,530.51 : x
  2. Step 2: Convert to fraction form
    52,403.76/72,314.91 = 28,530.51/x
  3. Step 3: Cross multiply
    52,403.76x = 72,314.91 × 28,530.51
  4. Step 4: Simplify right side
    52,403.76x = 2,063,181,262.90
  5. Step 5: Solve for x
    x = 2,063,181,262.90/52,403.76
  6. Step 6: Final answer
    x = 39,370.86

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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.