Home / 112,559.36-155,330-62,258.32

Finding the Fourth Proportional to 112,559.36, 155,330 and 62,258.32

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Solution

The fourth proportional to 112,559.36, 155,330 and 62,258.32 is: 85,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,559.36 : 155,330 = 62,258.32 : x
  2. Step 2: Convert to fraction form
    112,559.36/155,330 = 62,258.32/x
  3. Step 3: Cross multiply
    112,559.36x = 155,330 × 62,258.32
  4. Step 4: Simplify right side
    112,559.36x = 9,670,584,845.60
  5. Step 5: Solve for x
    x = 9,670,584,845.60/112,559.36
  6. Step 6: Final answer
    x = 85,915.42

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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.