Home / 69,088.90-103,694.10-40,973.80

Finding the Fourth Proportional to 69,088.90, 103,694.10 and 40,973.80

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Solution

The fourth proportional to 69,088.90, 103,694.10 and 40,973.80 is: 61,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.90 : 103,694.10 = 40,973.80 : x
  2. Step 2: Convert to fraction form
    69,088.90/103,694.10 = 40,973.80/x
  3. Step 3: Cross multiply
    69,088.90x = 103,694.10 × 40,973.80
  4. Step 4: Simplify right side
    69,088.90x = 4,248,741,314.58
  5. Step 5: Solve for x
    x = 4,248,741,314.58/69,088.90
  6. Step 6: Final answer
    x = 61,496.73

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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.