Home / 55,896.99-77,137.47-31,702.56

Finding the Fourth Proportional to 55,896.99, 77,137.47 and 31,702.56

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Solution

The fourth proportional to 55,896.99, 77,137.47 and 31,702.56 is: 43,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.99 : 77,137.47 = 31,702.56 : x
  2. Step 2: Convert to fraction form
    55,896.99/77,137.47 = 31,702.56/x
  3. Step 3: Cross multiply
    55,896.99x = 77,137.47 × 31,702.56
  4. Step 4: Simplify right side
    55,896.99x = 2,445,455,270.92
  5. Step 5: Solve for x
    x = 2,445,455,270.92/55,896.99
  6. Step 6: Final answer
    x = 43,749.32

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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.