Home / 145,627.48-218,493.81-50,871.66

Finding the Fourth Proportional to 145,627.48, 218,493.81 and 50,871.66

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Solution

The fourth proportional to 145,627.48, 218,493.81 and 50,871.66 is: 76,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627.48 : 218,493.81 = 50,871.66 : x
  2. Step 2: Convert to fraction form
    145,627.48/218,493.81 = 50,871.66/x
  3. Step 3: Cross multiply
    145,627.48x = 218,493.81 × 50,871.66
  4. Step 4: Simplify right side
    145,627.48x = 11,115,142,814.42
  5. Step 5: Solve for x
    x = 11,115,142,814.42/145,627.48
  6. Step 6: Final answer
    x = 76,325.86

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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.