Home / 80,868.40-111,606.60-45,064.24

Finding the Fourth Proportional to 80,868.40, 111,606.60 and 45,064.24

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Solution

The fourth proportional to 80,868.40, 111,606.60 and 45,064.24 is: 62,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,868.40 : 111,606.60 = 45,064.24 : x
  2. Step 2: Convert to fraction form
    80,868.40/111,606.60 = 45,064.24/x
  3. Step 3: Cross multiply
    80,868.40x = 111,606.60 × 45,064.24
  4. Step 4: Simplify right side
    80,868.40x = 5,029,466,607.98
  5. Step 5: Solve for x
    x = 5,029,466,607.98/80,868.40
  6. Step 6: Final answer
    x = 62,193.23

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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.