Home / 79,148.58-118,729.04-22,989.60

Finding the Fourth Proportional to 79,148.58, 118,729.04 and 22,989.60

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Solution

The fourth proportional to 79,148.58, 118,729.04 and 22,989.60 is: 34,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,148.58 : 118,729.04 = 22,989.60 : x
  2. Step 2: Convert to fraction form
    79,148.58/118,729.04 = 22,989.60/x
  3. Step 3: Cross multiply
    79,148.58x = 118,729.04 × 22,989.60
  4. Step 4: Simplify right side
    79,148.58x = 2,729,533,023.04
  5. Step 5: Solve for x
    x = 2,729,533,023.04/79,148.58
  6. Step 6: Final answer
    x = 34,486.19

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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.