Home / 86,942.13-130,459.37-34,352.07

Finding the Fourth Proportional to 86,942.13, 130,459.37 and 34,352.07

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Solution

The fourth proportional to 86,942.13, 130,459.37 and 34,352.07 is: 51,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,942.13 : 130,459.37 = 34,352.07 : x
  2. Step 2: Convert to fraction form
    86,942.13/130,459.37 = 34,352.07/x
  3. Step 3: Cross multiply
    86,942.13x = 130,459.37 × 34,352.07
  4. Step 4: Simplify right side
    86,942.13x = 4,481,549,238.64
  5. Step 5: Solve for x
    x = 4,481,549,238.64/86,942.13
  6. Step 6: Final answer
    x = 51,546.35

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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.