Home / 75,880.51-104,716.63-41,888.86

Finding the Fourth Proportional to 75,880.51, 104,716.63 and 41,888.86

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Solution

The fourth proportional to 75,880.51, 104,716.63 and 41,888.86 is: 57,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,880.51 : 104,716.63 = 41,888.86 : x
  2. Step 2: Convert to fraction form
    75,880.51/104,716.63 = 41,888.86/x
  3. Step 3: Cross multiply
    75,880.51x = 104,716.63 × 41,888.86
  4. Step 4: Simplify right side
    75,880.51x = 4,386,460,044.31
  5. Step 5: Solve for x
    x = 4,386,460,044.31/75,880.51
  6. Step 6: Final answer
    x = 57,807.47

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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.