Home / 72,734.26-100,364.46-40,461.25

Finding the Fourth Proportional to 72,734.26, 100,364.46 and 40,461.25

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Solution

The fourth proportional to 72,734.26, 100,364.46 and 40,461.25 is: 55,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,734.26 : 100,364.46 = 40,461.25 : x
  2. Step 2: Convert to fraction form
    72,734.26/100,364.46 = 40,461.25/x
  3. Step 3: Cross multiply
    72,734.26x = 100,364.46 × 40,461.25
  4. Step 4: Simplify right side
    72,734.26x = 4,060,871,749.94
  5. Step 5: Solve for x
    x = 4,060,871,749.94/72,734.26
  6. Step 6: Final answer
    x = 55,831.62

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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.