Home / 86,768.88-130,153.99-56,808.33

Finding the Fourth Proportional to 86,768.88, 130,153.99 and 56,808.33

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Solution

The fourth proportional to 86,768.88, 130,153.99 and 56,808.33 is: 85,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768.88 : 130,153.99 = 56,808.33 : x
  2. Step 2: Convert to fraction form
    86,768.88/130,153.99 = 56,808.33/x
  3. Step 3: Cross multiply
    86,768.88x = 130,153.99 × 56,808.33
  4. Step 4: Simplify right side
    86,768.88x = 7,393,830,814.74
  5. Step 5: Solve for x
    x = 7,393,830,814.74/86,768.88
  6. Step 6: Final answer
    x = 85,212.93

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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.