Home / 74,821.88-112,232.82-28,041.95

Finding the Fourth Proportional to 74,821.88, 112,232.82 and 28,041.95

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Solution

The fourth proportional to 74,821.88, 112,232.82 and 28,041.95 is: 42,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,821.88 : 112,232.82 = 28,041.95 : x
  2. Step 2: Convert to fraction form
    74,821.88/112,232.82 = 28,041.95/x
  3. Step 3: Cross multiply
    74,821.88x = 112,232.82 × 28,041.95
  4. Step 4: Simplify right side
    74,821.88x = 3,147,226,565.63
  5. Step 5: Solve for x
    x = 3,147,226,565.63/74,821.88
  6. Step 6: Final answer
    x = 42,062.92

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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.