Home / 56,181.76-77,530.64-31,031.26

Finding the Fourth Proportional to 56,181.76, 77,530.64 and 31,031.26

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Solution

The fourth proportional to 56,181.76, 77,530.64 and 31,031.26 is: 42,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.76 : 77,530.64 = 31,031.26 : x
  2. Step 2: Convert to fraction form
    56,181.76/77,530.64 = 31,031.26/x
  3. Step 3: Cross multiply
    56,181.76x = 77,530.64 × 31,031.26
  4. Step 4: Simplify right side
    56,181.76x = 2,405,873,098.82
  5. Step 5: Solve for x
    x = 2,405,873,098.82/56,181.76
  6. Step 6: Final answer
    x = 42,823.03

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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.