Home / 85,845.24-118,446.57-54,055.98

Finding the Fourth Proportional to 85,845.24, 118,446.57 and 54,055.98

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Solution

The fourth proportional to 85,845.24, 118,446.57 and 54,055.98 is: 74,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,845.24 : 118,446.57 = 54,055.98 : x
  2. Step 2: Convert to fraction form
    85,845.24/118,446.57 = 54,055.98/x
  3. Step 3: Cross multiply
    85,845.24x = 118,446.57 × 54,055.98
  4. Step 4: Simplify right side
    85,845.24x = 6,402,745,418.99
  5. Step 5: Solve for x
    x = 6,402,745,418.99/85,845.24
  6. Step 6: Final answer
    x = 74,584.75

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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.