Home / 87,814.35-121,183.65-47,528.10

Finding the Fourth Proportional to 87,814.35, 121,183.65 and 47,528.10

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Solution

The fourth proportional to 87,814.35, 121,183.65 and 47,528.10 is: 65,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,814.35 : 121,183.65 = 47,528.10 : x
  2. Step 2: Convert to fraction form
    87,814.35/121,183.65 = 47,528.10/x
  3. Step 3: Cross multiply
    87,814.35x = 121,183.65 × 47,528.10
  4. Step 4: Simplify right side
    87,814.35x = 5,759,628,635.57
  5. Step 5: Solve for x
    x = 5,759,628,635.57/87,814.35
  6. Step 6: Final answer
    x = 65,588.70

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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.