Home / 52,088.56-78,135-15,152.56

Finding the Fourth Proportional to 52,088.56, 78,135 and 15,152.56

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Solution

The fourth proportional to 52,088.56, 78,135 and 15,152.56 is: 22,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,088.56 : 78,135 = 15,152.56 : x
  2. Step 2: Convert to fraction form
    52,088.56/78,135 = 15,152.56/x
  3. Step 3: Cross multiply
    52,088.56x = 78,135 × 15,152.56
  4. Step 4: Simplify right side
    52,088.56x = 1,183,945,275.60
  5. Step 5: Solve for x
    x = 1,183,945,275.60/52,088.56
  6. Step 6: Final answer
    x = 22,729.47

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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.