Home / 65,403.37-98,156.09-45,552.70

Finding the Fourth Proportional to 65,403.37, 98,156.09 and 45,552.70

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Solution

The fourth proportional to 65,403.37, 98,156.09 and 45,552.70 is: 68,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,403.37 : 98,156.09 = 45,552.70 : x
  2. Step 2: Convert to fraction form
    65,403.37/98,156.09 = 45,552.70/x
  3. Step 3: Cross multiply
    65,403.37x = 98,156.09 × 45,552.70
  4. Step 4: Simplify right side
    65,403.37x = 4,471,274,920.94
  5. Step 5: Solve for x
    x = 4,471,274,920.94/65,403.37
  6. Step 6: Final answer
    x = 68,364.60

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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.