Home / 55,945.22-77,206.04-30,453.23

Finding the Fourth Proportional to 55,945.22, 77,206.04 and 30,453.23

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Solution

The fourth proportional to 55,945.22, 77,206.04 and 30,453.23 is: 42,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,945.22 : 77,206.04 = 30,453.23 : x
  2. Step 2: Convert to fraction form
    55,945.22/77,206.04 = 30,453.23/x
  3. Step 3: Cross multiply
    55,945.22x = 77,206.04 × 30,453.23
  4. Step 4: Simplify right side
    55,945.22x = 2,351,172,755.21
  5. Step 5: Solve for x
    x = 2,351,172,755.21/55,945.22
  6. Step 6: Final answer
    x = 42,026.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.