Home / 81,735.04-112,791.84-45,924.16

Finding the Fourth Proportional to 81,735.04, 112,791.84 and 45,924.16

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Solution

The fourth proportional to 81,735.04, 112,791.84 and 45,924.16 is: 63,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,735.04 : 112,791.84 = 45,924.16 : x
  2. Step 2: Convert to fraction form
    81,735.04/112,791.84 = 45,924.16/x
  3. Step 3: Cross multiply
    81,735.04x = 112,791.84 × 45,924.16
  4. Step 4: Simplify right side
    81,735.04x = 5,179,870,506.85
  5. Step 5: Solve for x
    x = 5,179,870,506.85/81,735.04
  6. Step 6: Final answer
    x = 63,373.93

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1.5x scale

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.