Home / 127,742.52-191,615.22-48,860.76

Finding the Fourth Proportional to 127,742.52, 191,615.22 and 48,860.76

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Solution

The fourth proportional to 127,742.52, 191,615.22 and 48,860.76 is: 73,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,742.52 : 191,615.22 = 48,860.76 : x
  2. Step 2: Convert to fraction form
    127,742.52/191,615.22 = 48,860.76/x
  3. Step 3: Cross multiply
    127,742.52x = 191,615.22 × 48,860.76
  4. Step 4: Simplify right side
    127,742.52x = 9,362,465,276.77
  5. Step 5: Solve for x
    x = 9,362,465,276.77/127,742.52
  6. Step 6: Final answer
    x = 73,291.69

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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.