Home / 52,370.64-78,568.44-15,434.64

Finding the Fourth Proportional to 52,370.64, 78,568.44 and 15,434.64

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Solution

The fourth proportional to 52,370.64, 78,568.44 and 15,434.64 is: 23,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,370.64 : 78,568.44 = 15,434.64 : x
  2. Step 2: Convert to fraction form
    52,370.64/78,568.44 = 15,434.64/x
  3. Step 3: Cross multiply
    52,370.64x = 78,568.44 × 15,434.64
  4. Step 4: Simplify right side
    52,370.64x = 1,212,675,586.76
  5. Step 5: Solve for x
    x = 1,212,675,586.76/52,370.64
  6. Step 6: Final answer
    x = 23,155.64

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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.