Home / 95,495.94-143,108.07-70,338.15

Finding the Fourth Proportional to 95,495.94, 143,108.07 and 70,338.15

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Solution

The fourth proportional to 95,495.94, 143,108.07 and 70,338.15 is: 105,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,495.94 : 143,108.07 = 70,338.15 : x
  2. Step 2: Convert to fraction form
    95,495.94/143,108.07 = 70,338.15/x
  3. Step 3: Cross multiply
    95,495.94x = 143,108.07 × 70,338.15
  4. Step 4: Simplify right side
    95,495.94x = 10,065,956,893.87
  5. Step 5: Solve for x
    x = 10,065,956,893.87/95,495.94
  6. Step 6: Final answer
    x = 105,407.17

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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.