Home / 103,579.16-155,377.62-44,400.80

Finding the Fourth Proportional to 103,579.16, 155,377.62 and 44,400.80

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Solution

The fourth proportional to 103,579.16, 155,377.62 and 44,400.80 is: 66,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,579.16 : 155,377.62 = 44,400.80 : x
  2. Step 2: Convert to fraction form
    103,579.16/155,377.62 = 44,400.80/x
  3. Step 3: Cross multiply
    103,579.16x = 155,377.62 × 44,400.80
  4. Step 4: Simplify right side
    103,579.16x = 6,898,890,630.10
  5. Step 5: Solve for x
    x = 6,898,890,630.10/103,579.16
  6. Step 6: Final answer
    x = 66,605.01

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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.