Home / 75,606.16-104,329.70-43,777.20

Finding the Fourth Proportional to 75,606.16, 104,329.70 and 43,777.20

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Solution

The fourth proportional to 75,606.16, 104,329.70 and 43,777.20 is: 60,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,606.16 : 104,329.70 = 43,777.20 : x
  2. Step 2: Convert to fraction form
    75,606.16/104,329.70 = 43,777.20/x
  3. Step 3: Cross multiply
    75,606.16x = 104,329.70 × 43,777.20
  4. Step 4: Simplify right side
    75,606.16x = 4,567,262,142.84
  5. Step 5: Solve for x
    x = 4,567,262,142.84/75,606.16
  6. Step 6: Final answer
    x = 60,408.60

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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.