Home / 70,971.66-98,028.09-53,146.26

Finding the Fourth Proportional to 70,971.66, 98,028.09 and 53,146.26

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Solution

The fourth proportional to 70,971.66, 98,028.09 and 53,146.26 is: 73,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,971.66 : 98,028.09 = 53,146.26 : x
  2. Step 2: Convert to fraction form
    70,971.66/98,028.09 = 53,146.26/x
  3. Step 3: Cross multiply
    70,971.66x = 98,028.09 × 53,146.26
  4. Step 4: Simplify right side
    70,971.66x = 5,209,826,358.44
  5. Step 5: Solve for x
    x = 5,209,826,358.44/70,971.66
  6. Step 6: Final answer
    x = 73,407.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.