Home / 59,825.40-89,720.82-20,381.64

Finding the Fourth Proportional to 59,825.40, 89,720.82 and 20,381.64

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Solution

The fourth proportional to 59,825.40, 89,720.82 and 20,381.64 is: 30,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,825.40 : 89,720.82 = 20,381.64 : x
  2. Step 2: Convert to fraction form
    59,825.40/89,720.82 = 20,381.64/x
  3. Step 3: Cross multiply
    59,825.40x = 89,720.82 × 20,381.64
  4. Step 4: Simplify right side
    59,825.40x = 1,828,657,453.74
  5. Step 5: Solve for x
    x = 1,828,657,453.74/59,825.40
  6. Step 6: Final answer
    x = 30,566.57

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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.