Home / 63,354.31-87,349.55-40,653.25

Finding the Fourth Proportional to 63,354.31, 87,349.55 and 40,653.25

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Solution

The fourth proportional to 63,354.31, 87,349.55 and 40,653.25 is: 56,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,354.31 : 87,349.55 = 40,653.25 : x
  2. Step 2: Convert to fraction form
    63,354.31/87,349.55 = 40,653.25/x
  3. Step 3: Cross multiply
    63,354.31x = 87,349.55 × 40,653.25
  4. Step 4: Simplify right side
    63,354.31x = 3,551,042,671.90
  5. Step 5: Solve for x
    x = 3,551,042,671.90/63,354.31
  6. Step 6: Final answer
    x = 56,050.53

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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.