Home / 85,494.15-117,996.27-57,886.29

Finding the Fourth Proportional to 85,494.15, 117,996.27 and 57,886.29

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Solution

The fourth proportional to 85,494.15, 117,996.27 and 57,886.29 is: 79,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,494.15 : 117,996.27 = 57,886.29 : x
  2. Step 2: Convert to fraction form
    85,494.15/117,996.27 = 57,886.29/x
  3. Step 3: Cross multiply
    85,494.15x = 117,996.27 × 57,886.29
  4. Step 4: Simplify right side
    85,494.15x = 6,830,366,304.14
  5. Step 5: Solve for x
    x = 6,830,366,304.14/85,494.15
  6. Step 6: Final answer
    x = 79,892.79

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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.