Home / 67,980.40-93,826.29-43,435.43

Finding the Fourth Proportional to 67,980.40, 93,826.29 and 43,435.43

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Solution

The fourth proportional to 67,980.40, 93,826.29 and 43,435.43 is: 59,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980.40 : 93,826.29 = 43,435.43 : x
  2. Step 2: Convert to fraction form
    67,980.40/93,826.29 = 43,435.43/x
  3. Step 3: Cross multiply
    67,980.40x = 93,826.29 × 43,435.43
  4. Step 4: Simplify right side
    67,980.40x = 4,075,385,251.45
  5. Step 5: Solve for x
    x = 4,075,385,251.45/67,980.40
  6. Step 6: Final answer
    x = 59,949.42

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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.