Home / 82,378.35-113,687.01-46,571.69

Finding the Fourth Proportional to 82,378.35, 113,687.01 and 46,571.69

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Solution

The fourth proportional to 82,378.35, 113,687.01 and 46,571.69 is: 64,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378.35 : 113,687.01 = 46,571.69 : x
  2. Step 2: Convert to fraction form
    82,378.35/113,687.01 = 46,571.69/x
  3. Step 3: Cross multiply
    82,378.35x = 113,687.01 × 46,571.69
  4. Step 4: Simplify right side
    82,378.35x = 5,294,596,470.96
  5. Step 5: Solve for x
    x = 5,294,596,470.96/82,378.35
  6. Step 6: Final answer
    x = 64,271.70

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1.5x scale

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.