Home / 91,140.63-136,771.69-35,027.07

Finding the Fourth Proportional to 91,140.63, 136,771.69 and 35,027.07

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Solution

The fourth proportional to 91,140.63, 136,771.69 and 35,027.07 is: 52,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,140.63 : 136,771.69 = 35,027.07 : x
  2. Step 2: Convert to fraction form
    91,140.63/136,771.69 = 35,027.07/x
  3. Step 3: Cross multiply
    91,140.63x = 136,771.69 × 35,027.07
  4. Step 4: Simplify right side
    91,140.63x = 4,790,711,559.65
  5. Step 5: Solve for x
    x = 4,790,711,559.65/91,140.63
  6. Step 6: Final answer
    x = 52,563.95

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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.