Home / 66,507.74-91,777.82-36,292.32

Finding the Fourth Proportional to 66,507.74, 91,777.82 and 36,292.32

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Solution

The fourth proportional to 66,507.74, 91,777.82 and 36,292.32 is: 50,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,507.74 : 91,777.82 = 36,292.32 : x
  2. Step 2: Convert to fraction form
    66,507.74/91,777.82 = 36,292.32/x
  3. Step 3: Cross multiply
    66,507.74x = 91,777.82 × 36,292.32
  4. Step 4: Simplify right side
    66,507.74x = 3,330,830,012.34
  5. Step 5: Solve for x
    x = 3,330,830,012.34/66,507.74
  6. Step 6: Final answer
    x = 50,081.84

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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.