Home / 86,292.12-119,059.86-50,490.96

Finding the Fourth Proportional to 86,292.12, 119,059.86 and 50,490.96

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Solution

The fourth proportional to 86,292.12, 119,059.86 and 50,490.96 is: 69,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,292.12 : 119,059.86 = 50,490.96 : x
  2. Step 2: Convert to fraction form
    86,292.12/119,059.86 = 50,490.96/x
  3. Step 3: Cross multiply
    86,292.12x = 119,059.86 × 50,490.96
  4. Step 4: Simplify right side
    86,292.12x = 6,011,446,628.87
  5. Step 5: Solve for x
    x = 6,011,446,628.87/86,292.12
  6. Step 6: Final answer
    x = 69,663.91

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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.