Home / 116,945.80-175,548.30-72,622.60

Finding the Fourth Proportional to 116,945.80, 175,548.30 and 72,622.60

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Solution

The fourth proportional to 116,945.80, 175,548.30 and 72,622.60 is: 109,014.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,945.80 : 175,548.30 = 72,622.60 : x
  2. Step 2: Convert to fraction form
    116,945.80/175,548.30 = 72,622.60/x
  3. Step 3: Cross multiply
    116,945.80x = 175,548.30 × 72,622.60
  4. Step 4: Simplify right side
    116,945.80x = 12,748,773,971.58
  5. Step 5: Solve for x
    x = 12,748,773,971.58/116,945.80
  6. Step 6: Final answer
    x = 109,014.38

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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.