Home / 64,485.35-88,995.09-35,806.79

Finding the Fourth Proportional to 64,485.35, 88,995.09 and 35,806.79

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Solution

The fourth proportional to 64,485.35, 88,995.09 and 35,806.79 is: 49,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.35 : 88,995.09 = 35,806.79 : x
  2. Step 2: Convert to fraction form
    64,485.35/88,995.09 = 35,806.79/x
  3. Step 3: Cross multiply
    64,485.35x = 88,995.09 × 35,806.79
  4. Step 4: Simplify right side
    64,485.35x = 3,186,628,498.66
  5. Step 5: Solve for x
    x = 3,186,628,498.66/64,485.35
  6. Step 6: Final answer
    x = 49,416.32

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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.