Home / 66,503.51-91,777.06-36,290.49

Finding the Fourth Proportional to 66,503.51, 91,777.06 and 36,290.49

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Solution

The fourth proportional to 66,503.51, 91,777.06 and 36,290.49 is: 50,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,503.51 : 91,777.06 = 36,290.49 : x
  2. Step 2: Convert to fraction form
    66,503.51/91,777.06 = 36,290.49/x
  3. Step 3: Cross multiply
    66,503.51x = 91,777.06 × 36,290.49
  4. Step 4: Simplify right side
    66,503.51x = 3,330,634,478.16
  5. Step 5: Solve for x
    x = 3,330,634,478.16/66,503.51
  6. Step 6: Final answer
    x = 50,082.09

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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.