Home / 75,034.51-112,551.96-30,661.26

Finding the Fourth Proportional to 75,034.51, 112,551.96 and 30,661.26

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Solution

The fourth proportional to 75,034.51, 112,551.96 and 30,661.26 is: 45,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,034.51 : 112,551.96 = 30,661.26 : x
  2. Step 2: Convert to fraction form
    75,034.51/112,551.96 = 30,661.26/x
  3. Step 3: Cross multiply
    75,034.51x = 112,551.96 × 30,661.26
  4. Step 4: Simplify right side
    75,034.51x = 3,450,984,909.07
  5. Step 5: Solve for x
    x = 3,450,984,909.07/75,034.51
  6. Step 6: Final answer
    x = 45,991.97

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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.