Home / 98,776.98-148,198.72-31,320.03

Finding the Fourth Proportional to 98,776.98, 148,198.72 and 31,320.03

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Solution

The fourth proportional to 98,776.98, 148,198.72 and 31,320.03 is: 46,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,776.98 : 148,198.72 = 31,320.03 : x
  2. Step 2: Convert to fraction form
    98,776.98/148,198.72 = 31,320.03/x
  3. Step 3: Cross multiply
    98,776.98x = 148,198.72 × 31,320.03
  4. Step 4: Simplify right side
    98,776.98x = 4,641,588,356.36
  5. Step 5: Solve for x
    x = 4,641,588,356.36/98,776.98
  6. Step 6: Final answer
    x = 46,990.59

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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.