Home / 104,827.80-157,260.90-42,504.60

Finding the Fourth Proportional to 104,827.80, 157,260.90 and 42,504.60

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Solution

The fourth proportional to 104,827.80, 157,260.90 and 42,504.60 is: 63,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,827.80 : 157,260.90 = 42,504.60 : x
  2. Step 2: Convert to fraction form
    104,827.80/157,260.90 = 42,504.60/x
  3. Step 3: Cross multiply
    104,827.80x = 157,260.90 × 42,504.60
  4. Step 4: Simplify right side
    104,827.80x = 6,684,311,650.14
  5. Step 5: Solve for x
    x = 6,684,311,650.14/104,827.80
  6. Step 6: Final answer
    x = 63,764.69

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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.