Home / 56,483.27-77,947.01-31,332.77

Finding the Fourth Proportional to 56,483.27, 77,947.01 and 31,332.77

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Solution

The fourth proportional to 56,483.27, 77,947.01 and 31,332.77 is: 43,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,483.27 : 77,947.01 = 31,332.77 : x
  2. Step 2: Convert to fraction form
    56,483.27/77,947.01 = 31,332.77/x
  3. Step 3: Cross multiply
    56,483.27x = 77,947.01 × 31,332.77
  4. Step 4: Simplify right side
    56,483.27x = 2,442,295,579.85
  5. Step 5: Solve for x
    x = 2,442,295,579.85/56,483.27
  6. Step 6: Final answer
    x = 43,239.27

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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.