Home / 62,176.99-85,818.10-39,511.56

Finding the Fourth Proportional to 62,176.99, 85,818.10 and 39,511.56

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Solution

The fourth proportional to 62,176.99, 85,818.10 and 39,511.56 is: 54,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,176.99 : 85,818.10 = 39,511.56 : x
  2. Step 2: Convert to fraction form
    62,176.99/85,818.10 = 39,511.56/x
  3. Step 3: Cross multiply
    62,176.99x = 85,818.10 × 39,511.56
  4. Step 4: Simplify right side
    62,176.99x = 3,390,806,775.62
  5. Step 5: Solve for x
    x = 3,390,806,775.62/62,176.99
  6. Step 6: Final answer
    x = 54,534.75

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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.