Home / 66,401.04-91,633.45-36,186.37

Finding the Fourth Proportional to 66,401.04, 91,633.45 and 36,186.37

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Solution

The fourth proportional to 66,401.04, 91,633.45 and 36,186.37 is: 49,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,401.04 : 91,633.45 = 36,186.37 : x
  2. Step 2: Convert to fraction form
    66,401.04/91,633.45 = 36,186.37/x
  3. Step 3: Cross multiply
    66,401.04x = 91,633.45 × 36,186.37
  4. Step 4: Simplify right side
    66,401.04x = 3,315,881,926.08
  5. Step 5: Solve for x
    x = 3,315,881,926.08/66,401.04
  6. Step 6: Final answer
    x = 49,937.20

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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.