Home / 86,816.76-119,822.49-51,006.77

Finding the Fourth Proportional to 86,816.76, 119,822.49 and 51,006.77

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Solution

The fourth proportional to 86,816.76, 119,822.49 and 51,006.77 is: 70,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,816.76 : 119,822.49 = 51,006.77 : x
  2. Step 2: Convert to fraction form
    86,816.76/119,822.49 = 51,006.77/x
  3. Step 3: Cross multiply
    86,816.76x = 119,822.49 × 51,006.77
  4. Step 4: Simplify right side
    86,816.76x = 6,111,757,589.14
  5. Step 5: Solve for x
    x = 6,111,757,589.14/86,816.76
  6. Step 6: Final answer
    x = 70,398.36

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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.