Home / 98,776.80-148,212.36-46,178.64

Finding the Fourth Proportional to 98,776.80, 148,212.36 and 46,178.64

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Solution

The fourth proportional to 98,776.80, 148,212.36 and 46,178.64 is: 69,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,776.80 : 148,212.36 = 46,178.64 : x
  2. Step 2: Convert to fraction form
    98,776.80/148,212.36 = 46,178.64/x
  3. Step 3: Cross multiply
    98,776.80x = 148,212.36 × 46,178.64
  4. Step 4: Simplify right side
    98,776.80x = 6,844,245,215.99
  5. Step 5: Solve for x
    x = 6,844,245,215.99/98,776.80
  6. Step 6: Final answer
    x = 69,290.01

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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.