Home / 51,648.09-77,520.73-25,371.69

Finding the Fourth Proportional to 51,648.09, 77,520.73 and 25,371.69

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Solution

The fourth proportional to 51,648.09, 77,520.73 and 25,371.69 is: 38,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,648.09 : 77,520.73 = 25,371.69 : x
  2. Step 2: Convert to fraction form
    51,648.09/77,520.73 = 25,371.69/x
  3. Step 3: Cross multiply
    51,648.09x = 77,520.73 × 25,371.69
  4. Step 4: Simplify right side
    51,648.09x = 1,966,831,930.13
  5. Step 5: Solve for x
    x = 1,966,831,930.13/51,648.09
  6. Step 6: Final answer
    x = 38,081.41

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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.