Home / 86,796.12-130,187.43-34,206.06

Finding the Fourth Proportional to 86,796.12, 130,187.43 and 34,206.06

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Solution

The fourth proportional to 86,796.12, 130,187.43 and 34,206.06 is: 51,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,796.12 : 130,187.43 = 34,206.06 : x
  2. Step 2: Convert to fraction form
    86,796.12/130,187.43 = 34,206.06/x
  3. Step 3: Cross multiply
    86,796.12x = 130,187.43 × 34,206.06
  4. Step 4: Simplify right side
    86,796.12x = 4,453,199,041.83
  5. Step 5: Solve for x
    x = 4,453,199,041.83/86,796.12
  6. Step 6: Final answer
    x = 51,306.43

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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.