Home / 115,020.10-172,594.95-44,890.30

Finding the Fourth Proportional to 115,020.10, 172,594.95 and 44,890.30

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Solution

The fourth proportional to 115,020.10, 172,594.95 and 44,890.30 is: 67,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,020.10 : 172,594.95 = 44,890.30 : x
  2. Step 2: Convert to fraction form
    115,020.10/172,594.95 = 44,890.30/x
  3. Step 3: Cross multiply
    115,020.10x = 172,594.95 × 44,890.30
  4. Step 4: Simplify right side
    115,020.10x = 7,747,839,083.99
  5. Step 5: Solve for x
    x = 7,747,839,083.99/115,020.10
  6. Step 6: Final answer
    x = 67,360.74

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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.