Home / 65,576.35-90,492.73-38,727.51

Finding the Fourth Proportional to 65,576.35, 90,492.73 and 38,727.51

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Solution

The fourth proportional to 65,576.35, 90,492.73 and 38,727.51 is: 53,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,576.35 : 90,492.73 = 38,727.51 : x
  2. Step 2: Convert to fraction form
    65,576.35/90,492.73 = 38,727.51/x
  3. Step 3: Cross multiply
    65,576.35x = 90,492.73 × 38,727.51
  4. Step 4: Simplify right side
    65,576.35x = 3,504,558,106.00
  5. Step 5: Solve for x
    x = 3,504,558,106.00/65,576.35
  6. Step 6: Final answer
    x = 53,442.41

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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.