Home / 65,696.28-98,559.93-21,322.92

Finding the Fourth Proportional to 65,696.28, 98,559.93 and 21,322.92

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Solution

The fourth proportional to 65,696.28, 98,559.93 and 21,322.92 is: 31,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,696.28 : 98,559.93 = 21,322.92 : x
  2. Step 2: Convert to fraction form
    65,696.28/98,559.93 = 21,322.92/x
  3. Step 3: Cross multiply
    65,696.28x = 98,559.93 × 21,322.92
  4. Step 4: Simplify right side
    65,696.28x = 2,101,585,502.60
  5. Step 5: Solve for x
    x = 2,101,585,502.60/65,696.28
  6. Step 6: Final answer
    x = 31,989.41

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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.