Home / 98,867.69-148,326.80-28,747.00

Finding the Fourth Proportional to 98,867.69, 148,326.80 and 28,747.00

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Solution

The fourth proportional to 98,867.69, 148,326.80 and 28,747.00 is: 43,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,867.69 : 148,326.80 = 28,747.00 : x
  2. Step 2: Convert to fraction form
    98,867.69/148,326.80 = 28,747.00/x
  3. Step 3: Cross multiply
    98,867.69x = 148,326.80 × 28,747.00
  4. Step 4: Simplify right side
    98,867.69x = 4,263,950,561.27
  5. Step 5: Solve for x
    x = 4,263,950,561.27/98,867.69
  6. Step 6: Final answer
    x = 43,127.85

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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.