Home / 54,552.64-74,956.40-43,355.20

Finding the Fourth Proportional to 54,552.64, 74,956.40 and 43,355.20

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Solution

The fourth proportional to 54,552.64, 74,956.40 and 43,355.20 is: 59,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,552.64 : 74,956.40 = 43,355.20 : x
  2. Step 2: Convert to fraction form
    54,552.64/74,956.40 = 43,355.20/x
  3. Step 3: Cross multiply
    54,552.64x = 74,956.40 × 43,355.20
  4. Step 4: Simplify right side
    54,552.64x = 3,249,749,713.28
  5. Step 5: Solve for x
    x = 3,249,749,713.28/54,552.64
  6. Step 6: Final answer
    x = 59,570.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.