Home / 66,283.57-99,425.31-31,225.96

Finding the Fourth Proportional to 66,283.57, 99,425.31 and 31,225.96

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Solution

The fourth proportional to 66,283.57, 99,425.31 and 31,225.96 is: 46,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,283.57 : 99,425.31 = 31,225.96 : x
  2. Step 2: Convert to fraction form
    66,283.57/99,425.31 = 31,225.96/x
  3. Step 3: Cross multiply
    66,283.57x = 99,425.31 × 31,225.96
  4. Step 4: Simplify right side
    66,283.57x = 3,104,650,753.05
  5. Step 5: Solve for x
    x = 3,104,650,753.05/66,283.57
  6. Step 6: Final answer
    x = 46,838.92

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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.