Home / 112,496.44-155,372.70-76,624.24

Finding the Fourth Proportional to 112,496.44, 155,372.70 and 76,624.24

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Solution

The fourth proportional to 112,496.44, 155,372.70 and 76,624.24 is: 105,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,496.44 : 155,372.70 = 76,624.24 : x
  2. Step 2: Convert to fraction form
    112,496.44/155,372.70 = 76,624.24/x
  3. Step 3: Cross multiply
    112,496.44x = 155,372.70 × 76,624.24
  4. Step 4: Simplify right side
    112,496.44x = 11,905,315,054.25
  5. Step 5: Solve for x
    x = 11,905,315,054.25/112,496.44
  6. Step 6: Final answer
    x = 105,828.37

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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.