Home / 54,928.08-75,830.16-42,966

Finding the Fourth Proportional to 54,928.08, 75,830.16 and 42,966

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Solution

The fourth proportional to 54,928.08, 75,830.16 and 42,966 is: 59,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,928.08 : 75,830.16 = 42,966 : x
  2. Step 2: Convert to fraction form
    54,928.08/75,830.16 = 42,966/x
  3. Step 3: Cross multiply
    54,928.08x = 75,830.16 × 42,966
  4. Step 4: Simplify right side
    54,928.08x = 3,258,118,654.56
  5. Step 5: Solve for x
    x = 3,258,118,654.56/54,928.08
  6. Step 6: Final answer
    x = 59,316.08

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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.