Home / 85,243.86-127,838.07-40,258.24

Finding the Fourth Proportional to 85,243.86, 127,838.07 and 40,258.24

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Solution

The fourth proportional to 85,243.86, 127,838.07 and 40,258.24 is: 60,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,243.86 : 127,838.07 = 40,258.24 : x
  2. Step 2: Convert to fraction form
    85,243.86/127,838.07 = 40,258.24/x
  3. Step 3: Cross multiply
    85,243.86x = 127,838.07 × 40,258.24
  4. Step 4: Simplify right side
    85,243.86x = 5,146,535,383.60
  5. Step 5: Solve for x
    x = 5,146,535,383.60/85,243.86
  6. Step 6: Final answer
    x = 60,374.26

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1.5x scale

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.