Home / 75,674.70-104,338.56-47,331.18

Finding the Fourth Proportional to 75,674.70, 104,338.56 and 47,331.18

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Solution

The fourth proportional to 75,674.70, 104,338.56 and 47,331.18 is: 65,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,674.70 : 104,338.56 = 47,331.18 : x
  2. Step 2: Convert to fraction form
    75,674.70/104,338.56 = 47,331.18/x
  3. Step 3: Cross multiply
    75,674.70x = 104,338.56 × 47,331.18
  4. Step 4: Simplify right side
    75,674.70x = 4,938,467,164.30
  5. Step 5: Solve for x
    x = 4,938,467,164.30/75,674.70
  6. Step 6: Final answer
    x = 65,259.16

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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.