Home / 90,274.67-124,577.50-49,987.56

Finding the Fourth Proportional to 90,274.67, 124,577.50 and 49,987.56

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Solution

The fourth proportional to 90,274.67, 124,577.50 and 49,987.56 is: 68,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274.67 : 124,577.50 = 49,987.56 : x
  2. Step 2: Convert to fraction form
    90,274.67/124,577.50 = 49,987.56/x
  3. Step 3: Cross multiply
    90,274.67x = 124,577.50 × 49,987.56
  4. Step 4: Simplify right side
    90,274.67x = 6,227,325,255.90
  5. Step 5: Solve for x
    x = 6,227,325,255.90/90,274.67
  6. Step 6: Final answer
    x = 68,981.98

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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.