Home / 88,036.46-121,489.91-49,274.45

Finding the Fourth Proportional to 88,036.46, 121,489.91 and 49,274.45

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Solution

The fourth proportional to 88,036.46, 121,489.91 and 49,274.45 is: 67,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,036.46 : 121,489.91 = 49,274.45 : x
  2. Step 2: Convert to fraction form
    88,036.46/121,489.91 = 49,274.45/x
  3. Step 3: Cross multiply
    88,036.46x = 121,489.91 × 49,274.45
  4. Step 4: Simplify right side
    88,036.46x = 5,986,348,495.80
  5. Step 5: Solve for x
    x = 5,986,348,495.80/88,036.46
  6. Step 6: Final answer
    x = 67,998.51

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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.