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Finding the Fourth Proportional to 85,483.00, 117,903.45 and 75,804.15

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Solution

The fourth proportional to 85,483.00, 117,903.45 and 75,804.15 is: 104,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,483.00 : 117,903.45 = 75,804.15 : x
  2. Step 2: Convert to fraction form
    85,483.00/117,903.45 = 75,804.15/x
  3. Step 3: Cross multiply
    85,483.00x = 117,903.45 × 75,804.15
  4. Step 4: Simplify right side
    85,483.00x = 8,937,571,109.32
  5. Step 5: Solve for x
    x = 8,937,571,109.32/85,483.00
  6. Step 6: Final answer
    x = 104,553.79

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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.