Home / 104,654.49-144,423.15-56,907.72

Finding the Fourth Proportional to 104,654.49, 144,423.15 and 56,907.72

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Solution

The fourth proportional to 104,654.49, 144,423.15 and 56,907.72 is: 78,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,654.49 : 144,423.15 = 56,907.72 : x
  2. Step 2: Convert to fraction form
    104,654.49/144,423.15 = 56,907.72/x
  3. Step 3: Cross multiply
    104,654.49x = 144,423.15 × 56,907.72
  4. Step 4: Simplify right side
    104,654.49x = 8,218,792,181.72
  5. Step 5: Solve for x
    x = 8,218,792,181.72/104,654.49
  6. Step 6: Final answer
    x = 78,532.63

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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.