Home / 112,606.67-155,395.86-61,618.85

Finding the Fourth Proportional to 112,606.67, 155,395.86 and 61,618.85

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Solution

The fourth proportional to 112,606.67, 155,395.86 and 61,618.85 is: 85,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,606.67 : 155,395.86 = 61,618.85 : x
  2. Step 2: Convert to fraction form
    112,606.67/155,395.86 = 61,618.85/x
  3. Step 3: Cross multiply
    112,606.67x = 155,395.86 × 61,618.85
  4. Step 4: Simplify right side
    112,606.67x = 9,575,313,410.98
  5. Step 5: Solve for x
    x = 9,575,313,410.98/112,606.67
  6. Step 6: Final answer
    x = 85,033.27

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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.