Home / 75,216.36-103,802.94-43,386.60

Finding the Fourth Proportional to 75,216.36, 103,802.94 and 43,386.60

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Solution

The fourth proportional to 75,216.36, 103,802.94 and 43,386.60 is: 59,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,216.36 : 103,802.94 = 43,386.60 : x
  2. Step 2: Convert to fraction form
    75,216.36/103,802.94 = 43,386.60/x
  3. Step 3: Cross multiply
    75,216.36x = 103,802.94 × 43,386.60
  4. Step 4: Simplify right side
    75,216.36x = 4,503,656,636.60
  5. Step 5: Solve for x
    x = 4,503,656,636.60/75,216.36
  6. Step 6: Final answer
    x = 59,876.02

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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.