Home / 64,990.06-89,684.63-36,309.94

Finding the Fourth Proportional to 64,990.06, 89,684.63 and 36,309.94

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Solution

The fourth proportional to 64,990.06, 89,684.63 and 36,309.94 is: 50,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,990.06 : 89,684.63 = 36,309.94 : x
  2. Step 2: Convert to fraction form
    64,990.06/89,684.63 = 36,309.94/x
  3. Step 3: Cross multiply
    64,990.06x = 89,684.63 × 36,309.94
  4. Step 4: Simplify right side
    64,990.06x = 3,256,443,534.22
  5. Step 5: Solve for x
    x = 3,256,443,534.22/64,990.06
  6. Step 6: Final answer
    x = 50,106.79

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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.