Home / 61,966.68-85,515-33,672.36

Finding the Fourth Proportional to 61,966.68, 85,515 and 33,672.36

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Solution

The fourth proportional to 61,966.68, 85,515 and 33,672.36 is: 46,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,966.68 : 85,515 = 33,672.36 : x
  2. Step 2: Convert to fraction form
    61,966.68/85,515 = 33,672.36/x
  3. Step 3: Cross multiply
    61,966.68x = 85,515 × 33,672.36
  4. Step 4: Simplify right side
    61,966.68x = 2,879,491,865.40
  5. Step 5: Solve for x
    x = 2,879,491,865.40/61,966.68
  6. Step 6: Final answer
    x = 46,468.39

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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.