Home / 70,004.12-96,603.56-39,792.74

Finding the Fourth Proportional to 70,004.12, 96,603.56 and 39,792.74

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Solution

The fourth proportional to 70,004.12, 96,603.56 and 39,792.74 is: 54,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.12 : 96,603.56 = 39,792.74 : x
  2. Step 2: Convert to fraction form
    70,004.12/96,603.56 = 39,792.74/x
  3. Step 3: Cross multiply
    70,004.12x = 96,603.56 × 39,792.74
  4. Step 4: Simplify right side
    70,004.12x = 3,844,120,346.15
  5. Step 5: Solve for x
    x = 3,844,120,346.15/70,004.12
  6. Step 6: Final answer
    x = 54,912.77

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1.5x scale

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.