Home / 87,818.92-121,190.43-47,533.21

Finding the Fourth Proportional to 87,818.92, 121,190.43 and 47,533.21

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Solution

The fourth proportional to 87,818.92, 121,190.43 and 47,533.21 is: 65,596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,818.92 : 121,190.43 = 47,533.21 : x
  2. Step 2: Convert to fraction form
    87,818.92/121,190.43 = 47,533.21/x
  3. Step 3: Cross multiply
    87,818.92x = 121,190.43 × 47,533.21
  4. Step 4: Simplify right side
    87,818.92x = 5,760,570,159.18
  5. Step 5: Solve for x
    x = 5,760,570,159.18/87,818.92
  6. Step 6: Final answer
    x = 65,596.00

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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.