Home / 61,194.08-91,642.90-31,129.22

Finding the Fourth Proportional to 61,194.08, 91,642.90 and 31,129.22

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Solution

The fourth proportional to 61,194.08, 91,642.90 and 31,129.22 is: 46,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,194.08 : 91,642.90 = 31,129.22 : x
  2. Step 2: Convert to fraction form
    61,194.08/91,642.90 = 31,129.22/x
  3. Step 3: Cross multiply
    61,194.08x = 91,642.90 × 31,129.22
  4. Step 4: Simplify right side
    61,194.08x = 2,852,771,995.54
  5. Step 5: Solve for x
    x = 2,852,771,995.54/61,194.08
  6. Step 6: Final answer
    x = 46,618.43

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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.