Home / 90,891.58-136,292.04-57,586.24

Finding the Fourth Proportional to 90,891.58, 136,292.04 and 57,586.24

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Solution

The fourth proportional to 90,891.58, 136,292.04 and 57,586.24 is: 86,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,891.58 : 136,292.04 = 57,586.24 : x
  2. Step 2: Convert to fraction form
    90,891.58/136,292.04 = 57,586.24/x
  3. Step 3: Cross multiply
    90,891.58x = 136,292.04 × 57,586.24
  4. Step 4: Simplify right side
    90,891.58x = 7,848,546,125.53
  5. Step 5: Solve for x
    x = 7,848,546,125.53/90,891.58
  6. Step 6: Final answer
    x = 86,350.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.