Home / 57,011.11-78,650.59-32,806.90

Finding the Fourth Proportional to 57,011.11, 78,650.59 and 32,806.90

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Solution

The fourth proportional to 57,011.11, 78,650.59 and 32,806.90 is: 45,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.11 : 78,650.59 = 32,806.90 : x
  2. Step 2: Convert to fraction form
    57,011.11/78,650.59 = 32,806.90/x
  3. Step 3: Cross multiply
    57,011.11x = 78,650.59 × 32,806.90
  4. Step 4: Simplify right side
    57,011.11x = 2,580,282,041.07
  5. Step 5: Solve for x
    x = 2,580,282,041.07/57,011.11
  6. Step 6: Final answer
    x = 45,259.28

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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.