Home / 56,085.62-84,515.31-50,820.39

Finding the Fourth Proportional to 56,085.62, 84,515.31 and 50,820.39

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Solution

The fourth proportional to 56,085.62, 84,515.31 and 50,820.39 is: 76,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.62 : 84,515.31 = 50,820.39 : x
  2. Step 2: Convert to fraction form
    56,085.62/84,515.31 = 50,820.39/x
  3. Step 3: Cross multiply
    56,085.62x = 84,515.31 × 50,820.39
  4. Step 4: Simplify right side
    56,085.62x = 4,295,101,015.17
  5. Step 5: Solve for x
    x = 4,295,101,015.17/56,085.62
  6. Step 6: Final answer
    x = 76,581.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.