Home / 56,663.58-78,194.16-31,169.92

Finding the Fourth Proportional to 56,663.58, 78,194.16 and 31,169.92

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Solution

The fourth proportional to 56,663.58, 78,194.16 and 31,169.92 is: 43,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663.58 : 78,194.16 = 31,169.92 : x
  2. Step 2: Convert to fraction form
    56,663.58/78,194.16 = 31,169.92/x
  3. Step 3: Cross multiply
    56,663.58x = 78,194.16 × 31,169.92
  4. Step 4: Simplify right side
    56,663.58x = 2,437,305,711.67
  5. Step 5: Solve for x
    x = 2,437,305,711.67/56,663.58
  6. Step 6: Final answer
    x = 43,013.62

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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.