Home / 80,913.28-111,664.32-45,106.24

Finding the Fourth Proportional to 80,913.28, 111,664.32 and 45,106.24

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Solution

The fourth proportional to 80,913.28, 111,664.32 and 45,106.24 is: 62,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,913.28 : 111,664.32 = 45,106.24 : x
  2. Step 2: Convert to fraction form
    80,913.28/111,664.32 = 45,106.24/x
  3. Step 3: Cross multiply
    80,913.28x = 111,664.32 × 45,106.24
  4. Step 4: Simplify right side
    80,913.28x = 5,036,757,617.36
  5. Step 5: Solve for x
    x = 5,036,757,617.36/80,913.28
  6. Step 6: Final answer
    x = 62,248.84

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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.