Home / 31,146.58-46,719.87-7,773.02

Finding the Fourth Proportional to 31,146.58, 46,719.87 and 7,773.02

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Solution

The fourth proportional to 31,146.58, 46,719.87 and 7,773.02 is: 11,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.58 : 46,719.87 = 7,773.02 : x
  2. Step 2: Convert to fraction form
    31,146.58/46,719.87 = 7,773.02/x
  3. Step 3: Cross multiply
    31,146.58x = 46,719.87 × 7,773.02
  4. Step 4: Simplify right side
    31,146.58x = 363,154,483.91
  5. Step 5: Solve for x
    x = 363,154,483.91/31,146.58
  6. Step 6: Final answer
    x = 11,659.53

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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.