Home / 112,695.28-169,128.58-41,685.10

Finding the Fourth Proportional to 112,695.28, 169,128.58 and 41,685.10

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Solution

The fourth proportional to 112,695.28, 169,128.58 and 41,685.10 is: 62,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,695.28 : 169,128.58 = 41,685.10 : x
  2. Step 2: Convert to fraction form
    112,695.28/169,128.58 = 41,685.10/x
  3. Step 3: Cross multiply
    112,695.28x = 169,128.58 × 41,685.10
  4. Step 4: Simplify right side
    112,695.28x = 7,050,141,770.16
  5. Step 5: Solve for x
    x = 7,050,141,770.16/112,695.28
  6. Step 6: Final answer
    x = 62,559.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.