Home / 56,663.64-78,197.94-31,514.76

Finding the Fourth Proportional to 56,663.64, 78,197.94 and 31,514.76

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Solution

The fourth proportional to 56,663.64, 78,197.94 and 31,514.76 is: 43,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663.64 : 78,197.94 = 31,514.76 : x
  2. Step 2: Convert to fraction form
    56,663.64/78,197.94 = 31,514.76/x
  3. Step 3: Cross multiply
    56,663.64x = 78,197.94 × 31,514.76
  4. Step 4: Simplify right side
    56,663.64x = 2,464,389,311.59
  5. Step 5: Solve for x
    x = 2,464,389,311.59/56,663.64
  6. Step 6: Final answer
    x = 43,491.55

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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.