Home / 112,836.72-155,714.80-62,535.76

Finding the Fourth Proportional to 112,836.72, 155,714.80 and 62,535.76

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Solution

The fourth proportional to 112,836.72, 155,714.80 and 62,535.76 is: 86,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,836.72 : 155,714.80 = 62,535.76 : x
  2. Step 2: Convert to fraction form
    112,836.72/155,714.80 = 62,535.76/x
  3. Step 3: Cross multiply
    112,836.72x = 155,714.80 × 62,535.76
  4. Step 4: Simplify right side
    112,836.72x = 9,737,743,361.25
  5. Step 5: Solve for x
    x = 9,737,743,361.25/112,836.72
  6. Step 6: Final answer
    x = 86,299.42

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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.