Home / 79,056.73-109,143.44-52,276.92

Finding the Fourth Proportional to 79,056.73, 109,143.44 and 52,276.92

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Solution

The fourth proportional to 79,056.73, 109,143.44 and 52,276.92 is: 72,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,056.73 : 109,143.44 = 52,276.92 : x
  2. Step 2: Convert to fraction form
    79,056.73/109,143.44 = 52,276.92/x
  3. Step 3: Cross multiply
    79,056.73x = 109,143.44 × 52,276.92
  4. Step 4: Simplify right side
    79,056.73x = 5,705,682,881.40
  5. Step 5: Solve for x
    x = 5,705,682,881.40/79,056.73
  6. Step 6: Final answer
    x = 72,172.01

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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.