Home / 64,971.09-89,660.12-35,163.09

Finding the Fourth Proportional to 64,971.09, 89,660.12 and 35,163.09

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Solution

The fourth proportional to 64,971.09, 89,660.12 and 35,163.09 is: 48,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.09 : 89,660.12 = 35,163.09 : x
  2. Step 2: Convert to fraction form
    64,971.09/89,660.12 = 35,163.09/x
  3. Step 3: Cross multiply
    64,971.09x = 89,660.12 × 35,163.09
  4. Step 4: Simplify right side
    64,971.09x = 3,152,726,868.97
  5. Step 5: Solve for x
    x = 3,152,726,868.97/64,971.09
  6. Step 6: Final answer
    x = 48,525.07

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1.5x scale

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.