Home / 76,023.30-104,915.10-50,485.62

Finding the Fourth Proportional to 76,023.30, 104,915.10 and 50,485.62

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Solution

The fourth proportional to 76,023.30, 104,915.10 and 50,485.62 is: 69,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,023.30 : 104,915.10 = 50,485.62 : x
  2. Step 2: Convert to fraction form
    76,023.30/104,915.10 = 50,485.62/x
  3. Step 3: Cross multiply
    76,023.30x = 104,915.10 × 50,485.62
  4. Step 4: Simplify right side
    76,023.30x = 5,296,703,870.86
  5. Step 5: Solve for x
    x = 5,296,703,870.86/76,023.30
  6. Step 6: Final answer
    x = 69,672.11

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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.