Home / 89,112.88-122,975.74-48,828.17

Finding the Fourth Proportional to 89,112.88, 122,975.74 and 48,828.17

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Solution

The fourth proportional to 89,112.88, 122,975.74 and 48,828.17 is: 67,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,112.88 : 122,975.74 = 48,828.17 : x
  2. Step 2: Convert to fraction form
    89,112.88/122,975.74 = 48,828.17/x
  3. Step 3: Cross multiply
    89,112.88x = 122,975.74 × 48,828.17
  4. Step 4: Simplify right side
    89,112.88x = 6,004,679,740.67
  5. Step 5: Solve for x
    x = 6,004,679,740.67/89,112.88
  6. Step 6: Final answer
    x = 67,382.85

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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.