Home / 55,889.32-83,842.30-18,453.35

Finding the Fourth Proportional to 55,889.32, 83,842.30 and 18,453.35

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Solution

The fourth proportional to 55,889.32, 83,842.30 and 18,453.35 is: 27,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.32 : 83,842.30 = 18,453.35 : x
  2. Step 2: Convert to fraction form
    55,889.32/83,842.30 = 18,453.35/x
  3. Step 3: Cross multiply
    55,889.32x = 83,842.30 × 18,453.35
  4. Step 4: Simplify right side
    55,889.32x = 1,547,171,306.71
  5. Step 5: Solve for x
    x = 1,547,171,306.71/55,889.32
  6. Step 6: Final answer
    x = 27,682.77

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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.