Home / 90,466.89-124,859.25-50,193.63

Finding the Fourth Proportional to 90,466.89, 124,859.25 and 50,193.63

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Solution

The fourth proportional to 90,466.89, 124,859.25 and 50,193.63 is: 69,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,466.89 : 124,859.25 = 50,193.63 : x
  2. Step 2: Convert to fraction form
    90,466.89/124,859.25 = 50,193.63/x
  3. Step 3: Cross multiply
    90,466.89x = 124,859.25 × 50,193.63
  4. Step 4: Simplify right side
    90,466.89x = 6,267,138,745.61
  5. Step 5: Solve for x
    x = 6,267,138,745.61/90,466.89
  6. Step 6: Final answer
    x = 69,275.50

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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.