Home / 89,049.12-133,622.87-49,628.45

Finding the Fourth Proportional to 89,049.12, 133,622.87 and 49,628.45

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Solution

The fourth proportional to 89,049.12, 133,622.87 and 49,628.45 is: 74,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.12 : 133,622.87 = 49,628.45 : x
  2. Step 2: Convert to fraction form
    89,049.12/133,622.87 = 49,628.45/x
  3. Step 3: Cross multiply
    89,049.12x = 133,622.87 × 49,628.45
  4. Step 4: Simplify right side
    89,049.12x = 6,631,495,922.65
  5. Step 5: Solve for x
    x = 6,631,495,922.65/89,049.12
  6. Step 6: Final answer
    x = 74,470.09

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1.5x scale

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.