Home / 86,886.48-119,900.07-49,161.54

Finding the Fourth Proportional to 86,886.48, 119,900.07 and 49,161.54

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Solution

The fourth proportional to 86,886.48, 119,900.07 and 49,161.54 is: 67,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,886.48 : 119,900.07 = 49,161.54 : x
  2. Step 2: Convert to fraction form
    86,886.48/119,900.07 = 49,161.54/x
  3. Step 3: Cross multiply
    86,886.48x = 119,900.07 × 49,161.54
  4. Step 4: Simplify right side
    86,886.48x = 5,894,472,087.31
  5. Step 5: Solve for x
    x = 5,894,472,087.31/86,886.48
  6. Step 6: Final answer
    x = 67,841.07

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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.