Home / 85,206.96-127,723.86-35,314.20

Finding the Fourth Proportional to 85,206.96, 127,723.86 and 35,314.20

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Solution

The fourth proportional to 85,206.96, 127,723.86 and 35,314.20 is: 52,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,206.96 : 127,723.86 = 35,314.20 : x
  2. Step 2: Convert to fraction form
    85,206.96/127,723.86 = 35,314.20/x
  3. Step 3: Cross multiply
    85,206.96x = 127,723.86 × 35,314.20
  4. Step 4: Simplify right side
    85,206.96x = 4,510,465,936.81
  5. Step 5: Solve for x
    x = 4,510,465,936.81/85,206.96
  6. Step 6: Final answer
    x = 52,935.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.