Home / 56,176.92-77,528.97-31,031.28

Finding the Fourth Proportional to 56,176.92, 77,528.97 and 31,031.28

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Solution

The fourth proportional to 56,176.92, 77,528.97 and 31,031.28 is: 42,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.92 : 77,528.97 = 31,031.28 : x
  2. Step 2: Convert to fraction form
    56,176.92/77,528.97 = 31,031.28/x
  3. Step 3: Cross multiply
    56,176.92x = 77,528.97 × 31,031.28
  4. Step 4: Simplify right side
    56,176.92x = 2,405,823,176.18
  5. Step 5: Solve for x
    x = 2,405,823,176.18/56,176.92
  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.