Home / 86,318.28-119,073.78-56,063.16

Finding the Fourth Proportional to 86,318.28, 119,073.78 and 56,063.16

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Solution

The fourth proportional to 86,318.28, 119,073.78 and 56,063.16 is: 77,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,318.28 : 119,073.78 = 56,063.16 : x
  2. Step 2: Convert to fraction form
    86,318.28/119,073.78 = 56,063.16/x
  3. Step 3: Cross multiply
    86,318.28x = 119,073.78 × 56,063.16
  4. Step 4: Simplify right side
    86,318.28x = 6,675,652,379.94
  5. Step 5: Solve for x
    x = 6,675,652,379.94/86,318.28
  6. Step 6: Final answer
    x = 77,337.64

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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.