Home / 76,311.93-105,189.09-60,153.03

Finding the Fourth Proportional to 76,311.93, 105,189.09 and 60,153.03

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Solution

The fourth proportional to 76,311.93, 105,189.09 and 60,153.03 is: 82,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,311.93 : 105,189.09 = 60,153.03 : x
  2. Step 2: Convert to fraction form
    76,311.93/105,189.09 = 60,153.03/x
  3. Step 3: Cross multiply
    76,311.93x = 105,189.09 × 60,153.03
  4. Step 4: Simplify right side
    76,311.93x = 6,327,442,486.44
  5. Step 5: Solve for x
    x = 6,327,442,486.44/76,311.93
  6. Step 6: Final answer
    x = 82,915.51

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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.