Home / 54,190.69-74,798.18-31,534.09

Finding the Fourth Proportional to 54,190.69, 74,798.18 and 31,534.09

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Solution

The fourth proportional to 54,190.69, 74,798.18 and 31,534.09 is: 43,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.69 : 74,798.18 = 31,534.09 : x
  2. Step 2: Convert to fraction form
    54,190.69/74,798.18 = 31,534.09/x
  3. Step 3: Cross multiply
    54,190.69x = 74,798.18 × 31,534.09
  4. Step 4: Simplify right side
    54,190.69x = 2,358,692,539.96
  5. Step 5: Solve for x
    x = 2,358,692,539.96/54,190.69
  6. Step 6: Final answer
    x = 43,525.79

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1.5x scale

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.