Home / 88,311.51-121,869.29-48,025.17

Finding the Fourth Proportional to 88,311.51, 121,869.29 and 48,025.17

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Solution

The fourth proportional to 88,311.51, 121,869.29 and 48,025.17 is: 66,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.51 : 121,869.29 = 48,025.17 : x
  2. Step 2: Convert to fraction form
    88,311.51/121,869.29 = 48,025.17/x
  3. Step 3: Cross multiply
    88,311.51x = 121,869.29 × 48,025.17
  4. Step 4: Simplify right side
    88,311.51x = 5,852,794,087.01
  5. Step 5: Solve for x
    x = 5,852,794,087.01/88,311.51
  6. Step 6: Final answer
    x = 66,274.42

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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.