Home / 103,017.86-142,148.39-60,004.43

Finding the Fourth Proportional to 103,017.86, 142,148.39 and 60,004.43

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Solution

The fourth proportional to 103,017.86, 142,148.39 and 60,004.43 is: 82,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,017.86 : 142,148.39 = 60,004.43 : x
  2. Step 2: Convert to fraction form
    103,017.86/142,148.39 = 60,004.43/x
  3. Step 3: Cross multiply
    103,017.86x = 142,148.39 × 60,004.43
  4. Step 4: Simplify right side
    103,017.86x = 8,529,532,556.64
  5. Step 5: Solve for x
    x = 8,529,532,556.64/103,017.86
  6. Step 6: Final answer
    x = 82,796.64

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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.