Home / 123,950.03-171,050.56-70,245.31

Finding the Fourth Proportional to 123,950.03, 171,050.56 and 70,245.31

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Solution

The fourth proportional to 123,950.03, 171,050.56 and 70,245.31 is: 96,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,950.03 : 171,050.56 = 70,245.31 : x
  2. Step 2: Convert to fraction form
    123,950.03/171,050.56 = 70,245.31/x
  3. Step 3: Cross multiply
    123,950.03x = 171,050.56 × 70,245.31
  4. Step 4: Simplify right side
    123,950.03x = 12,015,498,406.39
  5. Step 5: Solve for x
    x = 12,015,498,406.39/123,950.03
  6. Step 6: Final answer
    x = 96,938.25

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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.