Home / 56,682.63-78,217.20-32,810.76

Finding the Fourth Proportional to 56,682.63, 78,217.20 and 32,810.76

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Solution

The fourth proportional to 56,682.63, 78,217.20 and 32,810.76 is: 45,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,682.63 : 78,217.20 = 32,810.76 : x
  2. Step 2: Convert to fraction form
    56,682.63/78,217.20 = 32,810.76/x
  3. Step 3: Cross multiply
    56,682.63x = 78,217.20 × 32,810.76
  4. Step 4: Simplify right side
    56,682.63x = 2,566,365,777.07
  5. Step 5: Solve for x
    x = 2,566,365,777.07/56,682.63
  6. Step 6: Final answer
    x = 45,276.05

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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.