Home / 113,625.29-156,804.01-62,640.02

Finding the Fourth Proportional to 113,625.29, 156,804.01 and 62,640.02

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Solution

The fourth proportional to 113,625.29, 156,804.01 and 62,640.02 is: 86,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,625.29 : 156,804.01 = 62,640.02 : x
  2. Step 2: Convert to fraction form
    113,625.29/156,804.01 = 62,640.02/x
  3. Step 3: Cross multiply
    113,625.29x = 156,804.01 × 62,640.02
  4. Step 4: Simplify right side
    113,625.29x = 9,822,206,557.89
  5. Step 5: Solve for x
    x = 9,822,206,557.89/113,625.29
  6. Step 6: Final answer
    x = 86,443.84

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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.