Home / 66,288.05-91,477.52-36,480.05

Finding the Fourth Proportional to 66,288.05, 91,477.52 and 36,480.05

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Solution

The fourth proportional to 66,288.05, 91,477.52 and 36,480.05 is: 50,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288.05 : 91,477.52 = 36,480.05 : x
  2. Step 2: Convert to fraction form
    66,288.05/91,477.52 = 36,480.05/x
  3. Step 3: Cross multiply
    66,288.05x = 91,477.52 × 36,480.05
  4. Step 4: Simplify right side
    66,288.05x = 3,337,104,503.48
  5. Step 5: Solve for x
    x = 3,337,104,503.48/66,288.05
  6. Step 6: Final answer
    x = 50,342.48

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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.