Home / 81,107.04-111,925.44-45,296

Finding the Fourth Proportional to 81,107.04, 111,925.44 and 45,296

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Solution

The fourth proportional to 81,107.04, 111,925.44 and 45,296 is: 62,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,107.04 : 111,925.44 = 45,296 : x
  2. Step 2: Convert to fraction form
    81,107.04/111,925.44 = 45,296/x
  3. Step 3: Cross multiply
    81,107.04x = 111,925.44 × 45,296
  4. Step 4: Simplify right side
    81,107.04x = 5,069,774,730.24
  5. Step 5: Solve for x
    x = 5,069,774,730.24/81,107.04
  6. Step 6: Final answer
    x = 62,507.21

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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.