Home / 68,125.45-94,015.29-42,623.65

Finding the Fourth Proportional to 68,125.45, 94,015.29 and 42,623.65

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Solution

The fourth proportional to 68,125.45, 94,015.29 and 42,623.65 is: 58,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,125.45 : 94,015.29 = 42,623.65 : x
  2. Step 2: Convert to fraction form
    68,125.45/94,015.29 = 42,623.65/x
  3. Step 3: Cross multiply
    68,125.45x = 94,015.29 × 42,623.65
  4. Step 4: Simplify right side
    68,125.45x = 4,007,274,815.61
  5. Step 5: Solve for x
    x = 4,007,274,815.61/68,125.45
  6. Step 6: Final answer
    x = 58,821.99

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1.5x scale

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.