Home / 56,045.82-77,343.75-30,896.22

Finding the Fourth Proportional to 56,045.82, 77,343.75 and 30,896.22

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Solution

The fourth proportional to 56,045.82, 77,343.75 and 30,896.22 is: 42,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,045.82 : 77,343.75 = 30,896.22 : x
  2. Step 2: Convert to fraction form
    56,045.82/77,343.75 = 30,896.22/x
  3. Step 3: Cross multiply
    56,045.82x = 77,343.75 × 30,896.22
  4. Step 4: Simplify right side
    56,045.82x = 2,389,629,515.63
  5. Step 5: Solve for x
    x = 2,389,629,515.63/56,045.82
  6. Step 6: Final answer
    x = 42,637.07

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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.