Home / 74,355.36-102,041.22-73,830.48

Finding the Fourth Proportional to 74,355.36, 102,041.22 and 73,830.48

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Solution

The fourth proportional to 74,355.36, 102,041.22 and 73,830.48 is: 101,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.36 : 102,041.22 = 73,830.48 : x
  2. Step 2: Convert to fraction form
    74,355.36/102,041.22 = 73,830.48/x
  3. Step 3: Cross multiply
    74,355.36x = 102,041.22 × 73,830.48
  4. Step 4: Simplify right side
    74,355.36x = 7,533,752,252.39
  5. Step 5: Solve for x
    x = 7,533,752,252.39/74,355.36
  6. Step 6: Final answer
    x = 101,320.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.