Home / 90,255.21-124,556.78-49,973.41

Finding the Fourth Proportional to 90,255.21, 124,556.78 and 49,973.41

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Solution

The fourth proportional to 90,255.21, 124,556.78 and 49,973.41 is: 68,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,255.21 : 124,556.78 = 49,973.41 : x
  2. Step 2: Convert to fraction form
    90,255.21/124,556.78 = 49,973.41/x
  3. Step 3: Cross multiply
    90,255.21x = 124,556.78 × 49,973.41
  4. Step 4: Simplify right side
    90,255.21x = 6,224,526,848.76
  5. Step 5: Solve for x
    x = 6,224,526,848.76/90,255.21
  6. Step 6: Final answer
    x = 68,965.85

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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.