Home / 85,633.58-118,156.64-58,766.28

Finding the Fourth Proportional to 85,633.58, 118,156.64 and 58,766.28

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Solution

The fourth proportional to 85,633.58, 118,156.64 and 58,766.28 is: 81,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,633.58 : 118,156.64 = 58,766.28 : x
  2. Step 2: Convert to fraction form
    85,633.58/118,156.64 = 58,766.28/x
  3. Step 3: Cross multiply
    85,633.58x = 118,156.64 × 58,766.28
  4. Step 4: Simplify right side
    85,633.58x = 6,943,625,896.27
  5. Step 5: Solve for x
    x = 6,943,625,896.27/85,633.58
  6. Step 6: Final answer
    x = 81,085.32

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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.