Home / 87,852.34-121,236.51-47,566.54

Finding the Fourth Proportional to 87,852.34, 121,236.51 and 47,566.54

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Solution

The fourth proportional to 87,852.34, 121,236.51 and 47,566.54 is: 65,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.34 : 121,236.51 = 47,566.54 : x
  2. Step 2: Convert to fraction form
    87,852.34/121,236.51 = 47,566.54/x
  3. Step 3: Cross multiply
    87,852.34x = 121,236.51 × 47,566.54
  4. Step 4: Simplify right side
    87,852.34x = 5,766,801,302.38
  5. Step 5: Solve for x
    x = 5,766,801,302.38/87,852.34
  6. Step 6: Final answer
    x = 65,641.98

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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.