Home / 56,935.26-78,571.86-31,784.76

Finding the Fourth Proportional to 56,935.26, 78,571.86 and 31,784.76

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Solution

The fourth proportional to 56,935.26, 78,571.86 and 31,784.76 is: 43,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.26 : 78,571.86 = 31,784.76 : x
  2. Step 2: Convert to fraction form
    56,935.26/78,571.86 = 31,784.76/x
  3. Step 3: Cross multiply
    56,935.26x = 78,571.86 × 31,784.76
  4. Step 4: Simplify right side
    56,935.26x = 2,497,387,712.85
  5. Step 5: Solve for x
    x = 2,497,387,712.85/56,935.26
  6. Step 6: Final answer
    x = 43,863.64

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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.