Home / 95,006.21-142,509.67-77,152.43

Finding the Fourth Proportional to 95,006.21, 142,509.67 and 77,152.43

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Solution

The fourth proportional to 95,006.21, 142,509.67 and 77,152.43 is: 115,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,006.21 : 142,509.67 = 77,152.43 : x
  2. Step 2: Convert to fraction form
    95,006.21/142,509.67 = 77,152.43/x
  3. Step 3: Cross multiply
    95,006.21x = 142,509.67 × 77,152.43
  4. Step 4: Simplify right side
    95,006.21x = 10,994,967,502.39
  5. Step 5: Solve for x
    x = 10,994,967,502.39/95,006.21
  6. Step 6: Final answer
    x = 115,728.94

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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.