Home / 67,085.77-100,646.80-22,712.53

Finding the Fourth Proportional to 67,085.77, 100,646.80 and 22,712.53

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Solution

The fourth proportional to 67,085.77, 100,646.80 and 22,712.53 is: 34,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,085.77 : 100,646.80 = 22,712.53 : x
  2. Step 2: Convert to fraction form
    67,085.77/100,646.80 = 22,712.53/x
  3. Step 3: Cross multiply
    67,085.77x = 100,646.80 × 22,712.53
  4. Step 4: Simplify right side
    67,085.77x = 2,285,943,464.40
  5. Step 5: Solve for x
    x = 2,285,943,464.40/67,085.77
  6. Step 6: Final answer
    x = 34,074.94

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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.