Home / 117,627.36-176,403.84-38,724

Finding the Fourth Proportional to 117,627.36, 176,403.84 and 38,724

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Solution

The fourth proportional to 117,627.36, 176,403.84 and 38,724 is: 58,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,627.36 : 176,403.84 = 38,724 : x
  2. Step 2: Convert to fraction form
    117,627.36/176,403.84 = 38,724/x
  3. Step 3: Cross multiply
    117,627.36x = 176,403.84 × 38,724
  4. Step 4: Simplify right side
    117,627.36x = 6,831,062,300.16
  5. Step 5: Solve for x
    x = 6,831,062,300.16/117,627.36
  6. Step 6: Final answer
    x = 58,073.75

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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.