Home / 79,388.96-109,558.14-43,582.28

Finding the Fourth Proportional to 79,388.96, 109,558.14 and 43,582.28

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Solution

The fourth proportional to 79,388.96, 109,558.14 and 43,582.28 is: 60,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,388.96 : 109,558.14 = 43,582.28 : x
  2. Step 2: Convert to fraction form
    79,388.96/109,558.14 = 43,582.28/x
  3. Step 3: Cross multiply
    79,388.96x = 109,558.14 × 43,582.28
  4. Step 4: Simplify right side
    79,388.96x = 4,774,793,533.76
  5. Step 5: Solve for x
    x = 4,774,793,533.76/79,388.96
  6. Step 6: Final answer
    x = 60,144.30

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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.