Home / 90,274.42-124,577.76-49,989.88

Finding the Fourth Proportional to 90,274.42, 124,577.76 and 49,989.88

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Solution

The fourth proportional to 90,274.42, 124,577.76 and 49,989.88 is: 68,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274.42 : 124,577.76 = 49,989.88 : x
  2. Step 2: Convert to fraction form
    90,274.42/124,577.76 = 49,989.88/x
  3. Step 3: Cross multiply
    90,274.42x = 124,577.76 × 49,989.88
  4. Step 4: Simplify right side
    90,274.42x = 6,227,627,273.07
  5. Step 5: Solve for x
    x = 6,227,627,273.07/90,274.42
  6. Step 6: Final answer
    x = 68,985.51

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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.