Home / 43,013.76-64,389.60-34,615.68

Finding the Fourth Proportional to 43,013.76, 64,389.60 and 34,615.68

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Solution

The fourth proportional to 43,013.76, 64,389.60 and 34,615.68 is: 51,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,013.76 : 64,389.60 = 34,615.68 : x
  2. Step 2: Convert to fraction form
    43,013.76/64,389.60 = 34,615.68/x
  3. Step 3: Cross multiply
    43,013.76x = 64,389.60 × 34,615.68
  4. Step 4: Simplify right side
    43,013.76x = 2,228,889,788.93
  5. Step 5: Solve for x
    x = 2,228,889,788.93/43,013.76
  6. Step 6: Final answer
    x = 51,818.06

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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.