Home / 66,633.84-91,914.48-43,972.92

Finding the Fourth Proportional to 66,633.84, 91,914.48 and 43,972.92

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Solution

The fourth proportional to 66,633.84, 91,914.48 and 43,972.92 is: 60,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633.84 : 91,914.48 = 43,972.92 : x
  2. Step 2: Convert to fraction form
    66,633.84/91,914.48 = 43,972.92/x
  3. Step 3: Cross multiply
    66,633.84x = 91,914.48 × 43,972.92
  4. Step 4: Simplify right side
    66,633.84x = 4,041,748,075.88
  5. Step 5: Solve for x
    x = 4,041,748,075.88/66,633.84
  6. Step 6: Final answer
    x = 60,656.09

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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.