Home / 86,780.79-119,755.94-49,054.23

Finding the Fourth Proportional to 86,780.79, 119,755.94 and 49,054.23

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Solution

The fourth proportional to 86,780.79, 119,755.94 and 49,054.23 is: 67,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,780.79 : 119,755.94 = 49,054.23 : x
  2. Step 2: Convert to fraction form
    86,780.79/119,755.94 = 49,054.23/x
  3. Step 3: Cross multiply
    86,780.79x = 119,755.94 × 49,054.23
  4. Step 4: Simplify right side
    86,780.79x = 5,874,535,179.36
  5. Step 5: Solve for x
    x = 5,874,535,179.36/86,780.79
  6. Step 6: Final answer
    x = 67,693.96

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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.