Home / 80,475.21-111,060.98-44,665.23

Finding the Fourth Proportional to 80,475.21, 111,060.98 and 44,665.23

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Solution

The fourth proportional to 80,475.21, 111,060.98 and 44,665.23 is: 61,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,475.21 : 111,060.98 = 44,665.23 : x
  2. Step 2: Convert to fraction form
    80,475.21/111,060.98 = 44,665.23/x
  3. Step 3: Cross multiply
    80,475.21x = 111,060.98 × 44,665.23
  4. Step 4: Simplify right side
    80,475.21x = 4,960,563,772.08
  5. Step 5: Solve for x
    x = 4,960,563,772.08/80,475.21
  6. Step 6: Final answer
    x = 61,640.89

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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.