Home / 85,212.67-117,593.93-48,904.35

Finding the Fourth Proportional to 85,212.67, 117,593.93 and 48,904.35

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Solution

The fourth proportional to 85,212.67, 117,593.93 and 48,904.35 is: 67,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212.67 : 117,593.93 = 48,904.35 : x
  2. Step 2: Convert to fraction form
    85,212.67/117,593.93 = 48,904.35/x
  3. Step 3: Cross multiply
    85,212.67x = 117,593.93 × 48,904.35
  4. Step 4: Simplify right side
    85,212.67x = 5,750,854,710.60
  5. Step 5: Solve for x
    x = 5,750,854,710.60/85,212.67
  6. Step 6: Final answer
    x = 67,488.26

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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.