Home / 85,369.04-128,069.94-32,774.36

Finding the Fourth Proportional to 85,369.04, 128,069.94 and 32,774.36

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Solution

The fourth proportional to 85,369.04, 128,069.94 and 32,774.36 is: 49,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,369.04 : 128,069.94 = 32,774.36 : x
  2. Step 2: Convert to fraction form
    85,369.04/128,069.94 = 32,774.36/x
  3. Step 3: Cross multiply
    85,369.04x = 128,069.94 × 32,774.36
  4. Step 4: Simplify right side
    85,369.04x = 4,197,410,318.74
  5. Step 5: Solve for x
    x = 4,197,410,318.74/85,369.04
  6. Step 6: Final answer
    x = 49,167.83

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1.5x scale

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.