Home / 113,639.04-156,822.96-62,653.80

Finding the Fourth Proportional to 113,639.04, 156,822.96 and 62,653.80

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Solution

The fourth proportional to 113,639.04, 156,822.96 and 62,653.80 is: 86,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.04 : 156,822.96 = 62,653.80 : x
  2. Step 2: Convert to fraction form
    113,639.04/156,822.96 = 62,653.80/x
  3. Step 3: Cross multiply
    113,639.04x = 156,822.96 × 62,653.80
  4. Step 4: Simplify right side
    113,639.04x = 9,825,554,371.25
  5. Step 5: Solve for x
    x = 9,825,554,371.25/113,639.04
  6. Step 6: Final answer
    x = 86,462.84

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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.