Home / 57,065.65-78,775.82-34,103.57

Finding the Fourth Proportional to 57,065.65, 78,775.82 and 34,103.57

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Solution

The fourth proportional to 57,065.65, 78,775.82 and 34,103.57 is: 47,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,065.65 : 78,775.82 = 34,103.57 : x
  2. Step 2: Convert to fraction form
    57,065.65/78,775.82 = 34,103.57/x
  3. Step 3: Cross multiply
    57,065.65x = 78,775.82 × 34,103.57
  4. Step 4: Simplify right side
    57,065.65x = 2,686,536,888.62
  5. Step 5: Solve for x
    x = 2,686,536,888.62/57,065.65
  6. Step 6: Final answer
    x = 47,078.01

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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.