Home / 66,534.28-99,838.68-35,368.72

Finding the Fourth Proportional to 66,534.28, 99,838.68 and 35,368.72

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Solution

The fourth proportional to 66,534.28, 99,838.68 and 35,368.72 is: 53,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534.28 : 99,838.68 = 35,368.72 : x
  2. Step 2: Convert to fraction form
    66,534.28/99,838.68 = 35,368.72/x
  3. Step 3: Cross multiply
    66,534.28x = 99,838.68 × 35,368.72
  4. Step 4: Simplify right side
    66,534.28x = 3,531,166,318.09
  5. Step 5: Solve for x
    x = 3,531,166,318.09/66,534.28
  6. Step 6: Final answer
    x = 53,072.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.