Home / 81,407.14-112,340.46-45,597.04

Finding the Fourth Proportional to 81,407.14, 112,340.46 and 45,597.04

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Solution

The fourth proportional to 81,407.14, 112,340.46 and 45,597.04 is: 62,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,407.14 : 112,340.46 = 45,597.04 : x
  2. Step 2: Convert to fraction form
    81,407.14/112,340.46 = 45,597.04/x
  3. Step 3: Cross multiply
    81,407.14x = 112,340.46 × 45,597.04
  4. Step 4: Simplify right side
    81,407.14x = 5,122,392,448.24
  5. Step 5: Solve for x
    x = 5,122,392,448.24/81,407.14
  6. Step 6: Final answer
    x = 62,923.13

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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.