Home / 73,056.60-109,509.30-39,706.20

Finding the Fourth Proportional to 73,056.60, 109,509.30 and 39,706.20

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Solution

The fourth proportional to 73,056.60, 109,509.30 and 39,706.20 is: 59,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,056.60 : 109,509.30 = 39,706.20 : x
  2. Step 2: Convert to fraction form
    73,056.60/109,509.30 = 39,706.20/x
  3. Step 3: Cross multiply
    73,056.60x = 109,509.30 × 39,706.20
  4. Step 4: Simplify right side
    73,056.60x = 4,348,198,167.66
  5. Step 5: Solve for x
    x = 4,348,198,167.66/73,056.60
  6. Step 6: Final answer
    x = 59,518.21

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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.