Home / 61,326.44-91,911.18-31,738.76

Finding the Fourth Proportional to 61,326.44, 91,911.18 and 31,738.76

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Solution

The fourth proportional to 61,326.44, 91,911.18 and 31,738.76 is: 47,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.44 : 91,911.18 = 31,738.76 : x
  2. Step 2: Convert to fraction form
    61,326.44/91,911.18 = 31,738.76/x
  3. Step 3: Cross multiply
    61,326.44x = 91,911.18 × 31,738.76
  4. Step 4: Simplify right side
    61,326.44x = 2,917,146,883.34
  5. Step 5: Solve for x
    x = 2,917,146,883.34/61,326.44
  6. Step 6: Final answer
    x = 47,567.52

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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.