Home / 92,074.91-138,118.19-28,897.52

Finding the Fourth Proportional to 92,074.91, 138,118.19 and 28,897.52

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Solution

The fourth proportional to 92,074.91, 138,118.19 and 28,897.52 is: 43,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,074.91 : 138,118.19 = 28,897.52 : x
  2. Step 2: Convert to fraction form
    92,074.91/138,118.19 = 28,897.52/x
  3. Step 3: Cross multiply
    92,074.91x = 138,118.19 × 28,897.52
  4. Step 4: Simplify right side
    92,074.91x = 3,991,272,322.81
  5. Step 5: Solve for x
    x = 3,991,272,322.81/92,074.91
  6. Step 6: Final answer
    x = 43,348.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.