Home / 45,785.48-63,121.14-31,613.96

Finding the Fourth Proportional to 45,785.48, 63,121.14 and 31,613.96

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Solution

The fourth proportional to 45,785.48, 63,121.14 and 31,613.96 is: 43,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.48 : 63,121.14 = 31,613.96 : x
  2. Step 2: Convert to fraction form
    45,785.48/63,121.14 = 31,613.96/x
  3. Step 3: Cross multiply
    45,785.48x = 63,121.14 × 31,613.96
  4. Step 4: Simplify right side
    45,785.48x = 1,995,509,195.11
  5. Step 5: Solve for x
    x = 1,995,509,195.11/45,785.48
  6. Step 6: Final answer
    x = 43,583.89

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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.