Home / 56,245.80-77,613.06-31,090.44

Finding the Fourth Proportional to 56,245.80, 77,613.06 and 31,090.44

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Solution

The fourth proportional to 56,245.80, 77,613.06 and 31,090.44 is: 42,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,245.80 : 77,613.06 = 31,090.44 : x
  2. Step 2: Convert to fraction form
    56,245.80/77,613.06 = 31,090.44/x
  3. Step 3: Cross multiply
    56,245.80x = 77,613.06 × 31,090.44
  4. Step 4: Simplify right side
    56,245.80x = 2,413,024,185.15
  5. Step 5: Solve for x
    x = 2,413,024,185.15/56,245.80
  6. Step 6: Final answer
    x = 42,901.41

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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.