Home / 76,675.40-115,056.30-29,922.20

Finding the Fourth Proportional to 76,675.40, 115,056.30 and 29,922.20

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Solution

The fourth proportional to 76,675.40, 115,056.30 and 29,922.20 is: 44,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,675.40 : 115,056.30 = 29,922.20 : x
  2. Step 2: Convert to fraction form
    76,675.40/115,056.30 = 29,922.20/x
  3. Step 3: Cross multiply
    76,675.40x = 115,056.30 × 29,922.20
  4. Step 4: Simplify right side
    76,675.40x = 3,442,737,619.86
  5. Step 5: Solve for x
    x = 3,442,737,619.86/76,675.40
  6. Step 6: Final answer
    x = 44,900.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.