Home / 59,639.47-89,403.51-20,168.98

Finding the Fourth Proportional to 59,639.47, 89,403.51 and 20,168.98

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Solution

The fourth proportional to 59,639.47, 89,403.51 and 20,168.98 is: 30,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,639.47 : 89,403.51 = 20,168.98 : x
  2. Step 2: Convert to fraction form
    59,639.47/89,403.51 = 20,168.98/x
  3. Step 3: Cross multiply
    59,639.47x = 89,403.51 × 20,168.98
  4. Step 4: Simplify right side
    59,639.47x = 1,803,177,605.12
  5. Step 5: Solve for x
    x = 1,803,177,605.12/59,639.47
  6. Step 6: Final answer
    x = 30,234.63

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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.