Home / 112,991.19-155,927.40-62,004.77

Finding the Fourth Proportional to 112,991.19, 155,927.40 and 62,004.77

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Solution

The fourth proportional to 112,991.19, 155,927.40 and 62,004.77 is: 85,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.19 : 155,927.40 = 62,004.77 : x
  2. Step 2: Convert to fraction form
    112,991.19/155,927.40 = 62,004.77/x
  3. Step 3: Cross multiply
    112,991.19x = 155,927.40 × 62,004.77
  4. Step 4: Simplify right side
    112,991.19x = 9,668,242,573.70
  5. Step 5: Solve for x
    x = 9,668,242,573.70/112,991.19
  6. Step 6: Final answer
    x = 85,566.34

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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.