Home / 120,095.10-180,045.42-50,026.86

Finding the Fourth Proportional to 120,095.10, 180,045.42 and 50,026.86

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Solution

The fourth proportional to 120,095.10, 180,045.42 and 50,026.86 is: 74,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,095.10 : 180,045.42 = 50,026.86 : x
  2. Step 2: Convert to fraction form
    120,095.10/180,045.42 = 50,026.86/x
  3. Step 3: Cross multiply
    120,095.10x = 180,045.42 × 50,026.86
  4. Step 4: Simplify right side
    120,095.10x = 9,007,107,019.98
  5. Step 5: Solve for x
    x = 9,007,107,019.98/120,095.10
  6. Step 6: Final answer
    x = 74,999.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.