Home / 87,846.36-121,228.06-47,560.15

Finding the Fourth Proportional to 87,846.36, 121,228.06 and 47,560.15

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Solution

The fourth proportional to 87,846.36, 121,228.06 and 47,560.15 is: 65,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,846.36 : 121,228.06 = 47,560.15 : x
  2. Step 2: Convert to fraction form
    87,846.36/121,228.06 = 47,560.15/x
  3. Step 3: Cross multiply
    87,846.36x = 121,228.06 × 47,560.15
  4. Step 4: Simplify right side
    87,846.36x = 5,765,624,717.81
  5. Step 5: Solve for x
    x = 5,765,624,717.81/87,846.36
  6. Step 6: Final answer
    x = 65,633.05

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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.