Home / 86,133.06-129,262.77-56,540.52

Finding the Fourth Proportional to 86,133.06, 129,262.77 and 56,540.52

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Solution

The fourth proportional to 86,133.06, 129,262.77 and 56,540.52 is: 84,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,133.06 : 129,262.77 = 56,540.52 : x
  2. Step 2: Convert to fraction form
    86,133.06/129,262.77 = 56,540.52/x
  3. Step 3: Cross multiply
    86,133.06x = 129,262.77 × 56,540.52
  4. Step 4: Simplify right side
    86,133.06x = 7,308,584,232.44
  5. Step 5: Solve for x
    x = 7,308,584,232.44/86,133.06
  6. Step 6: Final answer
    x = 84,852.25

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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.