Home / 56,162.88-77,504.40-31,012.56

Finding the Fourth Proportional to 56,162.88, 77,504.40 and 31,012.56

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Solution

The fourth proportional to 56,162.88, 77,504.40 and 31,012.56 is: 42,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162.88 : 77,504.40 = 31,012.56 : x
  2. Step 2: Convert to fraction form
    56,162.88/77,504.40 = 31,012.56/x
  3. Step 3: Cross multiply
    56,162.88x = 77,504.40 × 31,012.56
  4. Step 4: Simplify right side
    56,162.88x = 2,403,609,855.26
  5. Step 5: Solve for x
    x = 2,403,609,855.26/56,162.88
  6. Step 6: Final answer
    x = 42,797.13

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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.