Home / 112,966.08-155,893.28-62,665.04

Finding the Fourth Proportional to 112,966.08, 155,893.28 and 62,665.04

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Solution

The fourth proportional to 112,966.08, 155,893.28 and 62,665.04 is: 86,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,966.08 : 155,893.28 = 62,665.04 : x
  2. Step 2: Convert to fraction form
    112,966.08/155,893.28 = 62,665.04/x
  3. Step 3: Cross multiply
    112,966.08x = 155,893.28 × 62,665.04
  4. Step 4: Simplify right side
    112,966.08x = 9,769,058,626.93
  5. Step 5: Solve for x
    x = 9,769,058,626.93/112,966.08
  6. Step 6: Final answer
    x = 86,477.80

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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.