Home / 43,115.18-64,656.63-15,028.02

Finding the Fourth Proportional to 43,115.18, 64,656.63 and 15,028.02

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Solution

The fourth proportional to 43,115.18, 64,656.63 and 15,028.02 is: 22,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115.18 : 64,656.63 = 15,028.02 : x
  2. Step 2: Convert to fraction form
    43,115.18/64,656.63 = 15,028.02/x
  3. Step 3: Cross multiply
    43,115.18x = 64,656.63 × 15,028.02
  4. Step 4: Simplify right side
    43,115.18x = 971,661,128.77
  5. Step 5: Solve for x
    x = 971,661,128.77/43,115.18
  6. Step 6: Final answer
    x = 22,536.41

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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.