Home / 86,213.13-118,935.05-62,301.93

Finding the Fourth Proportional to 86,213.13, 118,935.05 and 62,301.93

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Solution

The fourth proportional to 86,213.13, 118,935.05 and 62,301.93 is: 85,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.13 : 118,935.05 = 62,301.93 : x
  2. Step 2: Convert to fraction form
    86,213.13/118,935.05 = 62,301.93/x
  3. Step 3: Cross multiply
    86,213.13x = 118,935.05 × 62,301.93
  4. Step 4: Simplify right side
    86,213.13x = 7,409,882,848.14
  5. Step 5: Solve for x
    x = 7,409,882,848.14/86,213.13
  6. Step 6: Final answer
    x = 85,948.43

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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.