Home / 112,991.29-155,927.55-62,004.88

Finding the Fourth Proportional to 112,991.29, 155,927.55 and 62,004.88

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Solution

The fourth proportional to 112,991.29, 155,927.55 and 62,004.88 is: 85,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.29 : 155,927.55 = 62,004.88 : x
  2. Step 2: Convert to fraction form
    112,991.29/155,927.55 = 62,004.88/x
  3. Step 3: Cross multiply
    112,991.29x = 155,927.55 × 62,004.88
  4. Step 4: Simplify right side
    112,991.29x = 9,668,268,228.00
  5. Step 5: Solve for x
    x = 9,668,268,228.00/112,991.29
  6. Step 6: Final answer
    x = 85,566.49

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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.