Home / 79,787.28-110,101.44-43,975.32

Finding the Fourth Proportional to 79,787.28, 110,101.44 and 43,975.32

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Solution

The fourth proportional to 79,787.28, 110,101.44 and 43,975.32 is: 60,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,787.28 : 110,101.44 = 43,975.32 : x
  2. Step 2: Convert to fraction form
    79,787.28/110,101.44 = 43,975.32/x
  3. Step 3: Cross multiply
    79,787.28x = 110,101.44 × 43,975.32
  4. Step 4: Simplify right side
    79,787.28x = 4,841,746,056.46
  5. Step 5: Solve for x
    x = 4,841,746,056.46/79,787.28
  6. Step 6: Final answer
    x = 60,683.18

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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.