Home / 85,342.21-117,579.95-59,476.38

Finding the Fourth Proportional to 85,342.21, 117,579.95 and 59,476.38

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Solution

The fourth proportional to 85,342.21, 117,579.95 and 59,476.38 is: 81,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,342.21 : 117,579.95 = 59,476.38 : x
  2. Step 2: Convert to fraction form
    85,342.21/117,579.95 = 59,476.38/x
  3. Step 3: Cross multiply
    85,342.21x = 117,579.95 × 59,476.38
  4. Step 4: Simplify right side
    85,342.21x = 6,993,229,605.87
  5. Step 5: Solve for x
    x = 6,993,229,605.87/85,342.21
  6. Step 6: Final answer
    x = 81,943.39

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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.