Home / 54,157.32-74,744.10-35,349.12

Finding the Fourth Proportional to 54,157.32, 74,744.10 and 35,349.12

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Solution

The fourth proportional to 54,157.32, 74,744.10 and 35,349.12 is: 48,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,157.32 : 74,744.10 = 35,349.12 : x
  2. Step 2: Convert to fraction form
    54,157.32/74,744.10 = 35,349.12/x
  3. Step 3: Cross multiply
    54,157.32x = 74,744.10 × 35,349.12
  4. Step 4: Simplify right side
    54,157.32x = 2,642,138,160.19
  5. Step 5: Solve for x
    x = 2,642,138,160.19/54,157.32
  6. Step 6: Final answer
    x = 48,786.35

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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.