Home / 113,640.56-156,831-62,653.04

Finding the Fourth Proportional to 113,640.56, 156,831 and 62,653.04

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Solution

The fourth proportional to 113,640.56, 156,831 and 62,653.04 is: 86,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,640.56 : 156,831 = 62,653.04 : x
  2. Step 2: Convert to fraction form
    113,640.56/156,831 = 62,653.04/x
  3. Step 3: Cross multiply
    113,640.56x = 156,831 × 62,653.04
  4. Step 4: Simplify right side
    113,640.56x = 9,825,938,916.24
  5. Step 5: Solve for x
    x = 9,825,938,916.24/113,640.56
  6. Step 6: Final answer
    x = 86,465.07

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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.