Home / 59,580.39-89,367.75-20,139.06

Finding the Fourth Proportional to 59,580.39, 89,367.75 and 20,139.06

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Solution

The fourth proportional to 59,580.39, 89,367.75 and 20,139.06 is: 30,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,580.39 : 89,367.75 = 20,139.06 : x
  2. Step 2: Convert to fraction form
    59,580.39/89,367.75 = 20,139.06/x
  3. Step 3: Cross multiply
    59,580.39x = 89,367.75 × 20,139.06
  4. Step 4: Simplify right side
    59,580.39x = 1,799,782,479.32
  5. Step 5: Solve for x
    x = 1,799,782,479.32/59,580.39
  6. Step 6: Final answer
    x = 30,207.63

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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.