Home / 101,783.11-140,368.67-63,546.15

Finding the Fourth Proportional to 101,783.11, 140,368.67 and 63,546.15

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Solution

The fourth proportional to 101,783.11, 140,368.67 and 63,546.15 is: 87,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,783.11 : 140,368.67 = 63,546.15 : x
  2. Step 2: Convert to fraction form
    101,783.11/140,368.67 = 63,546.15/x
  3. Step 3: Cross multiply
    101,783.11x = 140,368.67 × 63,546.15
  4. Step 4: Simplify right side
    101,783.11x = 8,919,888,559.12
  5. Step 5: Solve for x
    x = 8,919,888,559.12/101,783.11
  6. Step 6: Final answer
    x = 87,636.24

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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.