Home / 86,934.62-119,953.53-51,111.56

Finding the Fourth Proportional to 86,934.62, 119,953.53 and 51,111.56

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Solution

The fourth proportional to 86,934.62, 119,953.53 and 51,111.56 is: 70,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,934.62 : 119,953.53 = 51,111.56 : x
  2. Step 2: Convert to fraction form
    86,934.62/119,953.53 = 51,111.56/x
  3. Step 3: Cross multiply
    86,934.62x = 119,953.53 × 51,111.56
  4. Step 4: Simplify right side
    86,934.62x = 6,131,011,814.70
  5. Step 5: Solve for x
    x = 6,131,011,814.70/86,934.62
  6. Step 6: Final answer
    x = 70,524.40

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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.