Home / 85,589.64-118,077.48-57,304.44

Finding the Fourth Proportional to 85,589.64, 118,077.48 and 57,304.44

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Solution

The fourth proportional to 85,589.64, 118,077.48 and 57,304.44 is: 79,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,589.64 : 118,077.48 = 57,304.44 : x
  2. Step 2: Convert to fraction form
    85,589.64/118,077.48 = 57,304.44/x
  3. Step 3: Cross multiply
    85,589.64x = 118,077.48 × 57,304.44
  4. Step 4: Simplify right side
    85,589.64x = 6,766,363,868.01
  5. Step 5: Solve for x
    x = 6,766,363,868.01/85,589.64
  6. Step 6: Final answer
    x = 79,055.87

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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.