Home / 104,001.09-143,521.11-56,254.38

Finding the Fourth Proportional to 104,001.09, 143,521.11 and 56,254.38

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Solution

The fourth proportional to 104,001.09, 143,521.11 and 56,254.38 is: 77,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.09 : 143,521.11 = 56,254.38 : x
  2. Step 2: Convert to fraction form
    104,001.09/143,521.11 = 56,254.38/x
  3. Step 3: Cross multiply
    104,001.09x = 143,521.11 × 56,254.38
  4. Step 4: Simplify right side
    104,001.09x = 8,073,691,059.96
  5. Step 5: Solve for x
    x = 8,073,691,059.96/104,001.09
  6. Step 6: Final answer
    x = 77,630.83

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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.