Home / 80,841.65-111,563.43-45,032.23

Finding the Fourth Proportional to 80,841.65, 111,563.43 and 45,032.23

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Solution

The fourth proportional to 80,841.65, 111,563.43 and 45,032.23 is: 62,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,841.65 : 111,563.43 = 45,032.23 : x
  2. Step 2: Convert to fraction form
    80,841.65/111,563.43 = 45,032.23/x
  3. Step 3: Cross multiply
    80,841.65x = 111,563.43 × 45,032.23
  4. Step 4: Simplify right side
    80,841.65x = 5,023,950,039.35
  5. Step 5: Solve for x
    x = 5,023,950,039.35/80,841.65
  6. Step 6: Final answer
    x = 62,145.57

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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.