Home / 124,007.40-171,122.55-69,556.59

Finding the Fourth Proportional to 124,007.40, 171,122.55 and 69,556.59

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Solution

The fourth proportional to 124,007.40, 171,122.55 and 69,556.59 is: 95,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,007.40 : 171,122.55 = 69,556.59 : x
  2. Step 2: Convert to fraction form
    124,007.40/171,122.55 = 69,556.59/x
  3. Step 3: Cross multiply
    124,007.40x = 171,122.55 × 69,556.59
  4. Step 4: Simplify right side
    124,007.40x = 11,902,701,050.10
  5. Step 5: Solve for x
    x = 11,902,701,050.10/124,007.40
  6. Step 6: Final answer
    x = 95,983.80

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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.