Home / 86,917.69-119,943.61-48,153.93

Finding the Fourth Proportional to 86,917.69, 119,943.61 and 48,153.93

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Solution

The fourth proportional to 86,917.69, 119,943.61 and 48,153.93 is: 66,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,917.69 : 119,943.61 = 48,153.93 : x
  2. Step 2: Convert to fraction form
    86,917.69/119,943.61 = 48,153.93/x
  3. Step 3: Cross multiply
    86,917.69x = 119,943.61 × 48,153.93
  4. Step 4: Simplify right side
    86,917.69x = 5,775,756,199.89
  5. Step 5: Solve for x
    x = 5,775,756,199.89/86,917.69
  6. Step 6: Final answer
    x = 66,450.87

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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.