Home / 87,853.53-121,237.69-47,567.33

Finding the Fourth Proportional to 87,853.53, 121,237.69 and 47,567.33

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Solution

The fourth proportional to 87,853.53, 121,237.69 and 47,567.33 is: 65,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,853.53 : 121,237.69 = 47,567.33 : x
  2. Step 2: Convert to fraction form
    87,853.53/121,237.69 = 47,567.33/x
  3. Step 3: Cross multiply
    87,853.53x = 121,237.69 × 47,567.33
  4. Step 4: Simplify right side
    87,853.53x = 5,766,953,208.67
  5. Step 5: Solve for x
    x = 5,766,953,208.67/87,853.53
  6. Step 6: Final answer
    x = 65,642.82

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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.