Home / 112,554.03-155,318.07-61,556.55

Finding the Fourth Proportional to 112,554.03, 155,318.07 and 61,556.55

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Solution

The fourth proportional to 112,554.03, 155,318.07 and 61,556.55 is: 84,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,554.03 : 155,318.07 = 61,556.55 : x
  2. Step 2: Convert to fraction form
    112,554.03/155,318.07 = 61,556.55/x
  3. Step 3: Cross multiply
    112,554.03x = 155,318.07 × 61,556.55
  4. Step 4: Simplify right side
    112,554.03x = 9,560,844,541.86
  5. Step 5: Solve for x
    x = 9,560,844,541.86/112,554.03
  6. Step 6: Final answer
    x = 84,944.49

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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.