Home / 98,813.07-148,223.72-28,692.38

Finding the Fourth Proportional to 98,813.07, 148,223.72 and 28,692.38

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Solution

The fourth proportional to 98,813.07, 148,223.72 and 28,692.38 is: 43,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,813.07 : 148,223.72 = 28,692.38 : x
  2. Step 2: Convert to fraction form
    98,813.07/148,223.72 = 28,692.38/x
  3. Step 3: Cross multiply
    98,813.07x = 148,223.72 × 28,692.38
  4. Step 4: Simplify right side
    98,813.07x = 4,252,891,741.54
  5. Step 5: Solve for x
    x = 4,252,891,741.54/98,813.07
  6. Step 6: Final answer
    x = 43,039.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.