Home / 79,041.12-118,608.48-29,156.28

Finding the Fourth Proportional to 79,041.12, 118,608.48 and 29,156.28

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Solution

The fourth proportional to 79,041.12, 118,608.48 and 29,156.28 is: 43,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041.12 : 118,608.48 = 29,156.28 : x
  2. Step 2: Convert to fraction form
    79,041.12/118,608.48 = 29,156.28/x
  3. Step 3: Cross multiply
    79,041.12x = 118,608.48 × 29,156.28
  4. Step 4: Simplify right side
    79,041.12x = 3,458,182,053.25
  5. Step 5: Solve for x
    x = 3,458,182,053.25/79,041.12
  6. Step 6: Final answer
    x = 43,751.68

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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.