Home / 95,731.86-143,284.74-70,424.64

Finding the Fourth Proportional to 95,731.86, 143,284.74 and 70,424.64

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Solution

The fourth proportional to 95,731.86, 143,284.74 and 70,424.64 is: 105,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,731.86 : 143,284.74 = 70,424.64 : x
  2. Step 2: Convert to fraction form
    95,731.86/143,284.74 = 70,424.64/x
  3. Step 3: Cross multiply
    95,731.86x = 143,284.74 × 70,424.64
  4. Step 4: Simplify right side
    95,731.86x = 10,090,776,231.99
  5. Step 5: Solve for x
    x = 10,090,776,231.99/95,731.86
  6. Step 6: Final answer
    x = 105,406.67

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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.