Home / 79,023.88-118,547.62-29,100.12

Finding the Fourth Proportional to 79,023.88, 118,547.62 and 29,100.12

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Solution

The fourth proportional to 79,023.88, 118,547.62 and 29,100.12 is: 43,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,023.88 : 118,547.62 = 29,100.12 : x
  2. Step 2: Convert to fraction form
    79,023.88/118,547.62 = 29,100.12/x
  3. Step 3: Cross multiply
    79,023.88x = 118,547.62 × 29,100.12
  4. Step 4: Simplify right side
    79,023.88x = 3,449,749,967.71
  5. Step 5: Solve for x
    x = 3,449,749,967.71/79,023.88
  6. Step 6: Final answer
    x = 43,654.53

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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.