Home / 79,159.56-118,707.36-28,544.16

Finding the Fourth Proportional to 79,159.56, 118,707.36 and 28,544.16

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Solution

The fourth proportional to 79,159.56, 118,707.36 and 28,544.16 is: 42,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,159.56 : 118,707.36 = 28,544.16 : x
  2. Step 2: Convert to fraction form
    79,159.56/118,707.36 = 28,544.16/x
  3. Step 3: Cross multiply
    79,159.56x = 118,707.36 × 28,544.16
  4. Step 4: Simplify right side
    79,159.56x = 3,388,401,877.02
  5. Step 5: Solve for x
    x = 3,388,401,877.02/79,159.56
  6. Step 6: Final answer
    x = 42,804.71

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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.