Home / 80,834.40-111,551.50-46,862.58

Finding the Fourth Proportional to 80,834.40, 111,551.50 and 46,862.58

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Solution

The fourth proportional to 80,834.40, 111,551.50 and 46,862.58 is: 64,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,834.40 : 111,551.50 = 46,862.58 : x
  2. Step 2: Convert to fraction form
    80,834.40/111,551.50 = 46,862.58/x
  3. Step 3: Cross multiply
    80,834.40x = 111,551.50 × 46,862.58
  4. Step 4: Simplify right side
    80,834.40x = 5,227,591,092.87
  5. Step 5: Solve for x
    x = 5,227,591,092.87/80,834.40
  6. Step 6: Final answer
    x = 64,670.38

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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.