Home / 56,604.02-84,868.76-31,680.86

Finding the Fourth Proportional to 56,604.02, 84,868.76 and 31,680.86

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Solution

The fourth proportional to 56,604.02, 84,868.76 and 31,680.86 is: 47,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,604.02 : 84,868.76 = 31,680.86 : x
  2. Step 2: Convert to fraction form
    56,604.02/84,868.76 = 31,680.86/x
  3. Step 3: Cross multiply
    56,604.02x = 84,868.76 × 31,680.86
  4. Step 4: Simplify right side
    56,604.02x = 2,688,714,958.79
  5. Step 5: Solve for x
    x = 2,688,714,958.79/56,604.02
  6. Step 6: Final answer
    x = 47,500.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.