Home / 54,190.96-74,617.34-47,438.80

Finding the Fourth Proportional to 54,190.96, 74,617.34 and 47,438.80

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Solution

The fourth proportional to 54,190.96, 74,617.34 and 47,438.80 is: 65,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.96 : 74,617.34 = 47,438.80 : x
  2. Step 2: Convert to fraction form
    54,190.96/74,617.34 = 47,438.80/x
  3. Step 3: Cross multiply
    54,190.96x = 74,617.34 × 47,438.80
  4. Step 4: Simplify right side
    54,190.96x = 3,539,757,068.79
  5. Step 5: Solve for x
    x = 3,539,757,068.79/54,190.96
  6. Step 6: Final answer
    x = 65,320.07

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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.