Home / 85,827.25-118,448.90-48,108.79

Finding the Fourth Proportional to 85,827.25, 118,448.90 and 48,108.79

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Solution

The fourth proportional to 85,827.25, 118,448.90 and 48,108.79 is: 66,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,827.25 : 118,448.90 = 48,108.79 : x
  2. Step 2: Convert to fraction form
    85,827.25/118,448.90 = 48,108.79/x
  3. Step 3: Cross multiply
    85,827.25x = 118,448.90 × 48,108.79
  4. Step 4: Simplify right side
    85,827.25x = 5,698,433,255.83
  5. Step 5: Solve for x
    x = 5,698,433,255.83/85,827.25
  6. Step 6: Final answer
    x = 66,394.22

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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.