Home / 86,840.55-119,863.53-51,042.06

Finding the Fourth Proportional to 86,840.55, 119,863.53 and 51,042.06

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Solution

The fourth proportional to 86,840.55, 119,863.53 and 51,042.06 is: 70,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,840.55 : 119,863.53 = 51,042.06 : x
  2. Step 2: Convert to fraction form
    86,840.55/119,863.53 = 51,042.06/x
  3. Step 3: Cross multiply
    86,840.55x = 119,863.53 × 51,042.06
  4. Step 4: Simplify right side
    86,840.55x = 6,118,081,490.07
  5. Step 5: Solve for x
    x = 6,118,081,490.07/86,840.55
  6. Step 6: Final answer
    x = 70,451.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.