Home / 103,362.02-155,043.64-36,804.74

Finding the Fourth Proportional to 103,362.02, 155,043.64 and 36,804.74

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Solution

The fourth proportional to 103,362.02, 155,043.64 and 36,804.74 is: 55,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,362.02 : 155,043.64 = 36,804.74 : x
  2. Step 2: Convert to fraction form
    103,362.02/155,043.64 = 36,804.74/x
  3. Step 3: Cross multiply
    103,362.02x = 155,043.64 × 36,804.74
  4. Step 4: Simplify right side
    103,362.02x = 5,706,340,858.85
  5. Step 5: Solve for x
    x = 5,706,340,858.85/103,362.02
  6. Step 6: Final answer
    x = 55,207.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.