Home / 80,975.94-111,746.51-45,165.92

Finding the Fourth Proportional to 80,975.94, 111,746.51 and 45,165.92

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Solution

The fourth proportional to 80,975.94, 111,746.51 and 45,165.92 is: 62,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,975.94 : 111,746.51 = 45,165.92 : x
  2. Step 2: Convert to fraction form
    80,975.94/111,746.51 = 45,165.92/x
  3. Step 3: Cross multiply
    80,975.94x = 111,746.51 × 45,165.92
  4. Step 4: Simplify right side
    80,975.94x = 5,047,133,984.48
  5. Step 5: Solve for x
    x = 5,047,133,984.48/80,975.94
  6. Step 6: Final answer
    x = 62,328.81

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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.