Home / 112,235.63-154,885.37-61,934.63

Finding the Fourth Proportional to 112,235.63, 154,885.37 and 61,934.63

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Solution

The fourth proportional to 112,235.63, 154,885.37 and 61,934.63 is: 85,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,235.63 : 154,885.37 = 61,934.63 : x
  2. Step 2: Convert to fraction form
    112,235.63/154,885.37 = 61,934.63/x
  3. Step 3: Cross multiply
    112,235.63x = 154,885.37 × 61,934.63
  4. Step 4: Simplify right side
    112,235.63x = 9,592,766,999.26
  5. Step 5: Solve for x
    x = 9,592,766,999.26/112,235.63
  6. Step 6: Final answer
    x = 85,469.89

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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.