Home / 85,022.45-127,550.07-47,624.75

Finding the Fourth Proportional to 85,022.45, 127,550.07 and 47,624.75

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Solution

The fourth proportional to 85,022.45, 127,550.07 and 47,624.75 is: 71,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,022.45 : 127,550.07 = 47,624.75 : x
  2. Step 2: Convert to fraction form
    85,022.45/127,550.07 = 47,624.75/x
  3. Step 3: Cross multiply
    85,022.45x = 127,550.07 × 47,624.75
  4. Step 4: Simplify right side
    85,022.45x = 6,074,540,196.23
  5. Step 5: Solve for x
    x = 6,074,540,196.23/85,022.45
  6. Step 6: Final answer
    x = 71,446.31

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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.