Home / 109,276.64-150,789.30-61,528.76

Finding the Fourth Proportional to 109,276.64, 150,789.30 and 61,528.76

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Solution

The fourth proportional to 109,276.64, 150,789.30 and 61,528.76 is: 84,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,276.64 : 150,789.30 = 61,528.76 : x
  2. Step 2: Convert to fraction form
    109,276.64/150,789.30 = 61,528.76/x
  3. Step 3: Cross multiply
    109,276.64x = 150,789.30 × 61,528.76
  4. Step 4: Simplify right side
    109,276.64x = 9,277,878,650.27
  5. Step 5: Solve for x
    x = 9,277,878,650.27/109,276.64
  6. Step 6: Final answer
    x = 84,902.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.