Home / 54,957.44-75,813.36-34,780.32

Finding the Fourth Proportional to 54,957.44, 75,813.36 and 34,780.32

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Solution

The fourth proportional to 54,957.44, 75,813.36 and 34,780.32 is: 47,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957.44 : 75,813.36 = 34,780.32 : x
  2. Step 2: Convert to fraction form
    54,957.44/75,813.36 = 34,780.32/x
  3. Step 3: Cross multiply
    54,957.44x = 75,813.36 × 34,780.32
  4. Step 4: Simplify right side
    54,957.44x = 2,636,812,921.08
  5. Step 5: Solve for x
    x = 2,636,812,921.08/54,957.44
  6. Step 6: Final answer
    x = 47,979.18

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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.