Home / 65,003.19-89,695.46-36,319.34

Finding the Fourth Proportional to 65,003.19, 89,695.46 and 36,319.34

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Solution

The fourth proportional to 65,003.19, 89,695.46 and 36,319.34 is: 50,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,003.19 : 89,695.46 = 36,319.34 : x
  2. Step 2: Convert to fraction form
    65,003.19/89,695.46 = 36,319.34/x
  3. Step 3: Cross multiply
    65,003.19x = 89,695.46 × 36,319.34
  4. Step 4: Simplify right side
    65,003.19x = 3,257,679,278.12
  5. Step 5: Solve for x
    x = 3,257,679,278.12/65,003.19
  6. Step 6: Final answer
    x = 50,115.68

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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.