Home / 65,023.03-89,735.43-38,173.33

Finding the Fourth Proportional to 65,023.03, 89,735.43 and 38,173.33

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Solution

The fourth proportional to 65,023.03, 89,735.43 and 38,173.33 is: 52,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023.03 : 89,735.43 = 38,173.33 : x
  2. Step 2: Convert to fraction form
    65,023.03/89,735.43 = 38,173.33/x
  3. Step 3: Cross multiply
    65,023.03x = 89,735.43 × 38,173.33
  4. Step 4: Simplify right side
    65,023.03x = 3,425,500,182.08
  5. Step 5: Solve for x
    x = 3,425,500,182.08/65,023.03
  6. Step 6: Final answer
    x = 52,681.34

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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.