Home / 67,981.40-93,827.68-43,436.44

Finding the Fourth Proportional to 67,981.40, 93,827.68 and 43,436.44

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Solution

The fourth proportional to 67,981.40, 93,827.68 and 43,436.44 is: 59,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,981.40 : 93,827.68 = 43,436.44 : x
  2. Step 2: Convert to fraction form
    67,981.40/93,827.68 = 43,436.44/x
  3. Step 3: Cross multiply
    67,981.40x = 93,827.68 × 43,436.44
  4. Step 4: Simplify right side
    67,981.40x = 4,075,540,392.66
  5. Step 5: Solve for x
    x = 4,075,540,392.66/67,981.40
  6. Step 6: Final answer
    x = 59,950.82

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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.