Home / 80,657.42-111,315.74-46,204.90

Finding the Fourth Proportional to 80,657.42, 111,315.74 and 46,204.90

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Solution

The fourth proportional to 80,657.42, 111,315.74 and 46,204.90 is: 63,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,657.42 : 111,315.74 = 46,204.90 : x
  2. Step 2: Convert to fraction form
    80,657.42/111,315.74 = 46,204.90/x
  3. Step 3: Cross multiply
    80,657.42x = 111,315.74 × 46,204.90
  4. Step 4: Simplify right side
    80,657.42x = 5,143,332,125.81
  5. Step 5: Solve for x
    x = 5,143,332,125.81/80,657.42
  6. Step 6: Final answer
    x = 63,767.63

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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.