Home / 98,723.52-148,080.96-28,601.28

Finding the Fourth Proportional to 98,723.52, 148,080.96 and 28,601.28

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Solution

The fourth proportional to 98,723.52, 148,080.96 and 28,601.28 is: 42,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723.52 : 148,080.96 = 28,601.28 : x
  2. Step 2: Convert to fraction form
    98,723.52/148,080.96 = 28,601.28/x
  3. Step 3: Cross multiply
    98,723.52x = 148,080.96 × 28,601.28
  4. Step 4: Simplify right side
    98,723.52x = 4,235,304,999.63
  5. Step 5: Solve for x
    x = 4,235,304,999.63/98,723.52
  6. Step 6: Final answer
    x = 42,900.67

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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.