Home / 76,945.42-106,181.89-48,280.53

Finding the Fourth Proportional to 76,945.42, 106,181.89 and 48,280.53

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Solution

The fourth proportional to 76,945.42, 106,181.89 and 48,280.53 is: 66,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.42 : 106,181.89 = 48,280.53 : x
  2. Step 2: Convert to fraction form
    76,945.42/106,181.89 = 48,280.53/x
  3. Step 3: Cross multiply
    76,945.42x = 106,181.89 × 48,280.53
  4. Step 4: Simplify right side
    76,945.42x = 5,126,518,203.08
  5. Step 5: Solve for x
    x = 5,126,518,203.08/76,945.42
  6. Step 6: Final answer
    x = 66,625.38

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1.5x scale

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.