Home / 87,812.52-121,180.23-47,525.33

Finding the Fourth Proportional to 87,812.52, 121,180.23 and 47,525.33

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Solution

The fourth proportional to 87,812.52, 121,180.23 and 47,525.33 is: 65,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,812.52 : 121,180.23 = 47,525.33 : x
  2. Step 2: Convert to fraction form
    87,812.52/121,180.23 = 47,525.33/x
  3. Step 3: Cross multiply
    87,812.52x = 121,180.23 × 47,525.33
  4. Step 4: Simplify right side
    87,812.52x = 5,759,130,420.23
  5. Step 5: Solve for x
    x = 5,759,130,420.23/87,812.52
  6. Step 6: Final answer
    x = 65,584.39

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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.