Home / 78,205.60-117,303.36-33,801.04

Finding the Fourth Proportional to 78,205.60, 117,303.36 and 33,801.04

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Solution

The fourth proportional to 78,205.60, 117,303.36 and 33,801.04 is: 50,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,205.60 : 117,303.36 = 33,801.04 : x
  2. Step 2: Convert to fraction form
    78,205.60/117,303.36 = 33,801.04/x
  3. Step 3: Cross multiply
    78,205.60x = 117,303.36 × 33,801.04
  4. Step 4: Simplify right side
    78,205.60x = 3,964,975,563.49
  5. Step 5: Solve for x
    x = 3,964,975,563.49/78,205.60
  6. Step 6: Final answer
    x = 50,699.38

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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.