Home / 51,438.96-77,105.64-25,111.32

Finding the Fourth Proportional to 51,438.96, 77,105.64 and 25,111.32

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Solution

The fourth proportional to 51,438.96, 77,105.64 and 25,111.32 is: 37,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.96 : 77,105.64 = 25,111.32 : x
  2. Step 2: Convert to fraction form
    51,438.96/77,105.64 = 25,111.32/x
  3. Step 3: Cross multiply
    51,438.96x = 77,105.64 × 25,111.32
  4. Step 4: Simplify right side
    51,438.96x = 1,936,224,399.84
  5. Step 5: Solve for x
    x = 1,936,224,399.84/51,438.96
  6. Step 6: Final answer
    x = 37,641.20

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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.