Home / 127,931.54-191,898.30-49,026.92

Finding the Fourth Proportional to 127,931.54, 191,898.30 and 49,026.92

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Solution

The fourth proportional to 127,931.54, 191,898.30 and 49,026.92 is: 73,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,931.54 : 191,898.30 = 49,026.92 : x
  2. Step 2: Convert to fraction form
    127,931.54/191,898.30 = 49,026.92/x
  3. Step 3: Cross multiply
    127,931.54x = 191,898.30 × 49,026.92
  4. Step 4: Simplify right side
    127,931.54x = 9,408,182,602.24
  5. Step 5: Solve for x
    x = 9,408,182,602.24/127,931.54
  6. Step 6: Final answer
    x = 73,540.76

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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.