Home / 59,986.50-89,981.37-18,433.50

Finding the Fourth Proportional to 59,986.50, 89,981.37 and 18,433.50

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Solution

The fourth proportional to 59,986.50, 89,981.37 and 18,433.50 is: 27,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,986.50 : 89,981.37 = 18,433.50 : x
  2. Step 2: Convert to fraction form
    59,986.50/89,981.37 = 18,433.50/x
  3. Step 3: Cross multiply
    59,986.50x = 89,981.37 × 18,433.50
  4. Step 4: Simplify right side
    59,986.50x = 1,658,671,583.90
  5. Step 5: Solve for x
    x = 1,658,671,583.90/59,986.50
  6. Step 6: Final answer
    x = 27,650.75

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Similar ratio
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1.5x scale

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.