Home / 75,830.13-104,646.66-41,840.10

Finding the Fourth Proportional to 75,830.13, 104,646.66 and 41,840.10

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Solution

The fourth proportional to 75,830.13, 104,646.66 and 41,840.10 is: 57,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,830.13 : 104,646.66 = 41,840.10 : x
  2. Step 2: Convert to fraction form
    75,830.13/104,646.66 = 41,840.10/x
  3. Step 3: Cross multiply
    75,830.13x = 104,646.66 × 41,840.10
  4. Step 4: Simplify right side
    75,830.13x = 4,378,426,719.07
  5. Step 5: Solve for x
    x = 4,378,426,719.07/75,830.13
  6. Step 6: Final answer
    x = 57,739.93

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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.