Home / 86,306.67-119,086.16-54,519.15

Finding the Fourth Proportional to 86,306.67, 119,086.16 and 54,519.15

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Solution

The fourth proportional to 86,306.67, 119,086.16 and 54,519.15 is: 75,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,306.67 : 119,086.16 = 54,519.15 : x
  2. Step 2: Convert to fraction form
    86,306.67/119,086.16 = 54,519.15/x
  3. Step 3: Cross multiply
    86,306.67x = 119,086.16 × 54,519.15
  4. Step 4: Simplify right side
    86,306.67x = 6,492,475,947.37
  5. Step 5: Solve for x
    x = 6,492,475,947.37/86,306.67
  6. Step 6: Final answer
    x = 75,225.66

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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.