Home / 86,639.31-119,563.25-50,829.93

Finding the Fourth Proportional to 86,639.31, 119,563.25 and 50,829.93

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Solution

The fourth proportional to 86,639.31, 119,563.25 and 50,829.93 is: 70,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,639.31 : 119,563.25 = 50,829.93 : x
  2. Step 2: Convert to fraction form
    86,639.31/119,563.25 = 50,829.93/x
  3. Step 3: Cross multiply
    86,639.31x = 119,563.25 × 50,829.93
  4. Step 4: Simplify right side
    86,639.31x = 6,077,391,373.92
  5. Step 5: Solve for x
    x = 6,077,391,373.92/86,639.31
  6. Step 6: Final answer
    x = 70,145.89

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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.