Home / 56,176.88-77,529.02-31,031.24

Finding the Fourth Proportional to 56,176.88, 77,529.02 and 31,031.24

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Solution

The fourth proportional to 56,176.88, 77,529.02 and 31,031.24 is: 42,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.88 : 77,529.02 = 31,031.24 : x
  2. Step 2: Convert to fraction form
    56,176.88/77,529.02 = 31,031.24/x
  3. Step 3: Cross multiply
    56,176.88x = 77,529.02 × 31,031.24
  4. Step 4: Simplify right side
    56,176.88x = 2,405,821,083.78
  5. Step 5: Solve for x
    x = 2,405,821,083.78/56,176.88
  6. Step 6: Final answer
    x = 42,825.83

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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.