Home / 79,011.56-109,035.20-43,201.19

Finding the Fourth Proportional to 79,011.56, 109,035.20 and 43,201.19

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Solution

The fourth proportional to 79,011.56, 109,035.20 and 43,201.19 is: 59,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,011.56 : 109,035.20 = 43,201.19 : x
  2. Step 2: Convert to fraction form
    79,011.56/109,035.20 = 43,201.19/x
  3. Step 3: Cross multiply
    79,011.56x = 109,035.20 × 43,201.19
  4. Step 4: Simplify right side
    79,011.56x = 4,710,450,391.89
  5. Step 5: Solve for x
    x = 4,710,450,391.89/79,011.56
  6. Step 6: Final answer
    x = 59,617.23

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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.