Home / 52,309.12-72,188.01-28,437.43

Finding the Fourth Proportional to 52,309.12, 72,188.01 and 28,437.43

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Solution

The fourth proportional to 52,309.12, 72,188.01 and 28,437.43 is: 39,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.12 : 72,188.01 = 28,437.43 : x
  2. Step 2: Convert to fraction form
    52,309.12/72,188.01 = 28,437.43/x
  3. Step 3: Cross multiply
    52,309.12x = 72,188.01 × 28,437.43
  4. Step 4: Simplify right side
    52,309.12x = 2,052,841,481.21
  5. Step 5: Solve for x
    x = 2,052,841,481.21/52,309.12
  6. Step 6: Final answer
    x = 39,244.43

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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.