Home / 112,234.88-154,884.96-61,935.68

Finding the Fourth Proportional to 112,234.88, 154,884.96 and 61,935.68

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Solution

The fourth proportional to 112,234.88, 154,884.96 and 61,935.68 is: 85,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,234.88 : 154,884.96 = 61,935.68 : x
  2. Step 2: Convert to fraction form
    112,234.88/154,884.96 = 61,935.68/x
  3. Step 3: Cross multiply
    112,234.88x = 154,884.96 × 61,935.68
  4. Step 4: Simplify right side
    112,234.88x = 9,592,905,319.37
  5. Step 5: Solve for x
    x = 9,592,905,319.37/112,234.88
  6. Step 6: Final answer
    x = 85,471.69

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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.