Home / 95,740.86-143,298.24-70,433.61

Finding the Fourth Proportional to 95,740.86, 143,298.24 and 70,433.61

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Solution

The fourth proportional to 95,740.86, 143,298.24 and 70,433.61 is: 105,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,740.86 : 143,298.24 = 70,433.61 : x
  2. Step 2: Convert to fraction form
    95,740.86/143,298.24 = 70,433.61/x
  3. Step 3: Cross multiply
    95,740.86x = 143,298.24 × 70,433.61
  4. Step 4: Simplify right side
    95,740.86x = 10,093,012,349.85
  5. Step 5: Solve for x
    x = 10,093,012,349.85/95,740.86
  6. Step 6: Final answer
    x = 105,420.11

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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.