Home / 66,627.77-91,954.85-38,333.45

Finding the Fourth Proportional to 66,627.77, 91,954.85 and 38,333.45

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Solution

The fourth proportional to 66,627.77, 91,954.85 and 38,333.45 is: 52,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,627.77 : 91,954.85 = 38,333.45 : x
  2. Step 2: Convert to fraction form
    66,627.77/91,954.85 = 38,333.45/x
  3. Step 3: Cross multiply
    66,627.77x = 91,954.85 × 38,333.45
  4. Step 4: Simplify right side
    66,627.77x = 3,524,946,682.95
  5. Step 5: Solve for x
    x = 3,524,946,682.95/66,627.77
  6. Step 6: Final answer
    x = 52,905.07

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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.