Home / 86,890.67-119,910.95-49,164.92

Finding the Fourth Proportional to 86,890.67, 119,910.95 and 49,164.92

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Solution

The fourth proportional to 86,890.67, 119,910.95 and 49,164.92 is: 67,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,890.67 : 119,910.95 = 49,164.92 : x
  2. Step 2: Convert to fraction form
    86,890.67/119,910.95 = 49,164.92/x
  3. Step 3: Cross multiply
    86,890.67x = 119,910.95 × 49,164.92
  4. Step 4: Simplify right side
    86,890.67x = 5,895,412,263.87
  5. Step 5: Solve for x
    x = 5,895,412,263.87/86,890.67
  6. Step 6: Final answer
    x = 67,848.62

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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.