Home / 115,815.42-173,724.95-45,694.13

Finding the Fourth Proportional to 115,815.42, 173,724.95 and 45,694.13

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Solution

The fourth proportional to 115,815.42, 173,724.95 and 45,694.13 is: 68,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,815.42 : 173,724.95 = 45,694.13 : x
  2. Step 2: Convert to fraction form
    115,815.42/173,724.95 = 45,694.13/x
  3. Step 3: Cross multiply
    115,815.42x = 173,724.95 × 45,694.13
  4. Step 4: Simplify right side
    115,815.42x = 7,938,209,695.15
  5. Step 5: Solve for x
    x = 7,938,209,695.15/115,815.42
  6. Step 6: Final answer
    x = 68,541.91

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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.