Home / 42,800.37-64,207.73-14,719.29

Finding the Fourth Proportional to 42,800.37, 64,207.73 and 14,719.29

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Solution

The fourth proportional to 42,800.37, 64,207.73 and 14,719.29 is: 22,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,800.37 : 64,207.73 = 14,719.29 : x
  2. Step 2: Convert to fraction form
    42,800.37/64,207.73 = 14,719.29/x
  3. Step 3: Cross multiply
    42,800.37x = 64,207.73 × 14,719.29
  4. Step 4: Simplify right side
    42,800.37x = 945,092,198.11
  5. Step 5: Solve for x
    x = 945,092,198.11/42,800.37
  6. Step 6: Final answer
    x = 22,081.40

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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.