Home / 109,615.38-164,440.29-46,435.68

Finding the Fourth Proportional to 109,615.38, 164,440.29 and 46,435.68

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Solution

The fourth proportional to 109,615.38, 164,440.29 and 46,435.68 is: 69,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,615.38 : 164,440.29 = 46,435.68 : x
  2. Step 2: Convert to fraction form
    109,615.38/164,440.29 = 46,435.68/x
  3. Step 3: Cross multiply
    109,615.38x = 164,440.29 × 46,435.68
  4. Step 4: Simplify right side
    109,615.38x = 7,635,896,685.55
  5. Step 5: Solve for x
    x = 7,635,896,685.55/109,615.38
  6. Step 6: Final answer
    x = 69,660.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.