Home / 102,927.83-142,062.53-62,654.63

Finding the Fourth Proportional to 102,927.83, 142,062.53 and 62,654.63

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Solution

The fourth proportional to 102,927.83, 142,062.53 and 62,654.63 is: 86,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,927.83 : 142,062.53 = 62,654.63 : x
  2. Step 2: Convert to fraction form
    102,927.83/142,062.53 = 62,654.63/x
  3. Step 3: Cross multiply
    102,927.83x = 142,062.53 × 62,654.63
  4. Step 4: Simplify right side
    102,927.83x = 8,900,874,230.43
  5. Step 5: Solve for x
    x = 8,900,874,230.43/102,927.83
  6. Step 6: Final answer
    x = 86,476.85

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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.