Home / 52,509.40-78,736.90-15,568.60

Finding the Fourth Proportional to 52,509.40, 78,736.90 and 15,568.60

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Solution

The fourth proportional to 52,509.40, 78,736.90 and 15,568.60 is: 23,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,509.40 : 78,736.90 = 15,568.60 : x
  2. Step 2: Convert to fraction form
    52,509.40/78,736.90 = 15,568.60/x
  3. Step 3: Cross multiply
    52,509.40x = 78,736.90 × 15,568.60
  4. Step 4: Simplify right side
    52,509.40x = 1,225,823,301.34
  5. Step 5: Solve for x
    x = 1,225,823,301.34/52,509.40
  6. Step 6: Final answer
    x = 23,344.84

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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.