Home / 86,318.93-119,152.52-63,838.85

Finding the Fourth Proportional to 86,318.93, 119,152.52 and 63,838.85

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Solution

The fourth proportional to 86,318.93, 119,152.52 and 63,838.85 is: 88,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,318.93 : 119,152.52 = 63,838.85 : x
  2. Step 2: Convert to fraction form
    86,318.93/119,152.52 = 63,838.85/x
  3. Step 3: Cross multiply
    86,318.93x = 119,152.52 × 63,838.85
  4. Step 4: Simplify right side
    86,318.93x = 7,606,559,846.07
  5. Step 5: Solve for x
    x = 7,606,559,846.07/86,318.93
  6. Step 6: Final answer
    x = 88,121.57

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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.