Home / 56,818.08-78,409.14-31,323.86

Finding the Fourth Proportional to 56,818.08, 78,409.14 and 31,323.86

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Solution

The fourth proportional to 56,818.08, 78,409.14 and 31,323.86 is: 43,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.08 : 78,409.14 = 31,323.86 : x
  2. Step 2: Convert to fraction form
    56,818.08/78,409.14 = 31,323.86/x
  3. Step 3: Cross multiply
    56,818.08x = 78,409.14 × 31,323.86
  4. Step 4: Simplify right side
    56,818.08x = 2,456,076,924.08
  5. Step 5: Solve for x
    x = 2,456,076,924.08/56,818.08
  6. Step 6: Final answer
    x = 43,227.03

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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.