Home / 89,953.65-124,133.66-49,666.54

Finding the Fourth Proportional to 89,953.65, 124,133.66 and 49,666.54

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Solution

The fourth proportional to 89,953.65, 124,133.66 and 49,666.54 is: 68,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.65 : 124,133.66 = 49,666.54 : x
  2. Step 2: Convert to fraction form
    89,953.65/124,133.66 = 49,666.54/x
  3. Step 3: Cross multiply
    89,953.65x = 124,133.66 × 49,666.54
  4. Step 4: Simplify right side
    89,953.65x = 6,165,289,878.57
  5. Step 5: Solve for x
    x = 6,165,289,878.57/89,953.65
  6. Step 6: Final answer
    x = 68,538.52

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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.