Home / 127,690.85-191,337.62-48,762.02

Finding the Fourth Proportional to 127,690.85, 191,337.62 and 48,762.02

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Solution

The fourth proportional to 127,690.85, 191,337.62 and 48,762.02 is: 73,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,690.85 : 191,337.62 = 48,762.02 : x
  2. Step 2: Convert to fraction form
    127,690.85/191,337.62 = 48,762.02/x
  3. Step 3: Cross multiply
    127,690.85x = 191,337.62 × 48,762.02
  4. Step 4: Simplify right side
    127,690.85x = 9,330,007,652.69
  5. Step 5: Solve for x
    x = 9,330,007,652.69/127,690.85
  6. Step 6: Final answer
    x = 73,067.16

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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.