Home / 86,321.94-119,156.66-63,841.85

Finding the Fourth Proportional to 86,321.94, 119,156.66 and 63,841.85

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Solution

The fourth proportional to 86,321.94, 119,156.66 and 63,841.85 is: 88,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321.94 : 119,156.66 = 63,841.85 : x
  2. Step 2: Convert to fraction form
    86,321.94/119,156.66 = 63,841.85/x
  3. Step 3: Cross multiply
    86,321.94x = 119,156.66 × 63,841.85
  4. Step 4: Simplify right side
    86,321.94x = 7,607,180,699.23
  5. Step 5: Solve for x
    x = 7,607,180,699.23/86,321.94
  6. Step 6: Final answer
    x = 88,125.69

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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.