Home / 111,854.09-154,361.49-60,869.59

Finding the Fourth Proportional to 111,854.09, 154,361.49 and 60,869.59

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Solution

The fourth proportional to 111,854.09, 154,361.49 and 60,869.59 is: 84,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,854.09 : 154,361.49 = 60,869.59 : x
  2. Step 2: Convert to fraction form
    111,854.09/154,361.49 = 60,869.59/x
  3. Step 3: Cross multiply
    111,854.09x = 154,361.49 × 60,869.59
  4. Step 4: Simplify right side
    111,854.09x = 9,395,920,608.09
  5. Step 5: Solve for x
    x = 9,395,920,608.09/111,854.09
  6. Step 6: Final answer
    x = 84,001.58

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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.