Home / 75,830.15-104,644.59-41,840.07

Finding the Fourth Proportional to 75,830.15, 104,644.59 and 41,840.07

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Solution

The fourth proportional to 75,830.15, 104,644.59 and 41,840.07 is: 57,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,830.15 : 104,644.59 = 41,840.07 : x
  2. Step 2: Convert to fraction form
    75,830.15/104,644.59 = 41,840.07/x
  3. Step 3: Cross multiply
    75,830.15x = 104,644.59 × 41,840.07
  4. Step 4: Simplify right side
    75,830.15x = 4,378,336,970.72
  5. Step 5: Solve for x
    x = 4,378,336,970.72/75,830.15
  6. Step 6: Final answer
    x = 57,738.74

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1.5x scale

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.