Home / 113,639.74-156,823.89-62,654.27

Finding the Fourth Proportional to 113,639.74, 156,823.89 and 62,654.27

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Solution

The fourth proportional to 113,639.74, 156,823.89 and 62,654.27 is: 86,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.74 : 156,823.89 = 62,654.27 : x
  2. Step 2: Convert to fraction form
    113,639.74/156,823.89 = 62,654.27/x
  3. Step 3: Cross multiply
    113,639.74x = 156,823.89 × 62,654.27
  4. Step 4: Simplify right side
    113,639.74x = 9,825,686,346.51
  5. Step 5: Solve for x
    x = 9,825,686,346.51/113,639.74
  6. Step 6: Final answer
    x = 86,463.47

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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.