Home / 87,838.16-121,216.73-47,552.27

Finding the Fourth Proportional to 87,838.16, 121,216.73 and 47,552.27

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Solution

The fourth proportional to 87,838.16, 121,216.73 and 47,552.27 is: 65,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,838.16 : 121,216.73 = 47,552.27 : x
  2. Step 2: Convert to fraction form
    87,838.16/121,216.73 = 47,552.27/x
  3. Step 3: Cross multiply
    87,838.16x = 121,216.73 × 47,552.27
  4. Step 4: Simplify right side
    87,838.16x = 5,764,129,829.63
  5. Step 5: Solve for x
    x = 5,764,129,829.63/87,838.16
  6. Step 6: Final answer
    x = 65,622.16

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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.