Home / 89,941.71-124,119.74-49,655.55

Finding the Fourth Proportional to 89,941.71, 124,119.74 and 49,655.55

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Solution

The fourth proportional to 89,941.71, 124,119.74 and 49,655.55 is: 68,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,941.71 : 124,119.74 = 49,655.55 : x
  2. Step 2: Convert to fraction form
    89,941.71/124,119.74 = 49,655.55/x
  3. Step 3: Cross multiply
    89,941.71x = 124,119.74 × 49,655.55
  4. Step 4: Simplify right side
    89,941.71x = 6,163,233,707.33
  5. Step 5: Solve for x
    x = 6,163,233,707.33/89,941.71
  6. Step 6: Final answer
    x = 68,524.76

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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.