Home / 66,533.48-91,822.50-38,255.72

Finding the Fourth Proportional to 66,533.48, 91,822.50 and 38,255.72

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Solution

The fourth proportional to 66,533.48, 91,822.50 and 38,255.72 is: 52,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.48 : 91,822.50 = 38,255.72 : x
  2. Step 2: Convert to fraction form
    66,533.48/91,822.50 = 38,255.72/x
  3. Step 3: Cross multiply
    66,533.48x = 91,822.50 × 38,255.72
  4. Step 4: Simplify right side
    66,533.48x = 3,512,735,849.70
  5. Step 5: Solve for x
    x = 3,512,735,849.70/66,533.48
  6. Step 6: Final answer
    x = 52,796.51

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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.