Home / 65,934.06-91,109.70-47,997.94

Finding the Fourth Proportional to 65,934.06, 91,109.70 and 47,997.94

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Solution

The fourth proportional to 65,934.06, 91,109.70 and 47,997.94 is: 66,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.06 : 91,109.70 = 47,997.94 : x
  2. Step 2: Convert to fraction form
    65,934.06/91,109.70 = 47,997.94/x
  3. Step 3: Cross multiply
    65,934.06x = 91,109.70 × 47,997.94
  4. Step 4: Simplify right side
    65,934.06x = 4,373,077,914.02
  5. Step 5: Solve for x
    x = 4,373,077,914.02/65,934.06
  6. Step 6: Final answer
    x = 66,325.02

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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.