Home / 112,437.76-168,682.24-38,561.28

Finding the Fourth Proportional to 112,437.76, 168,682.24 and 38,561.28

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Solution

The fourth proportional to 112,437.76, 168,682.24 and 38,561.28 is: 57,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,437.76 : 168,682.24 = 38,561.28 : x
  2. Step 2: Convert to fraction form
    112,437.76/168,682.24 = 38,561.28/x
  3. Step 3: Cross multiply
    112,437.76x = 168,682.24 × 38,561.28
  4. Step 4: Simplify right side
    112,437.76x = 6,504,603,087.67
  5. Step 5: Solve for x
    x = 6,504,603,087.67/112,437.76
  6. Step 6: Final answer
    x = 57,850.70

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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.