Home / 112,986.81-169,535.50-45,516.04

Finding the Fourth Proportional to 112,986.81, 169,535.50 and 45,516.04

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Solution

The fourth proportional to 112,986.81, 169,535.50 and 45,516.04 is: 68,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,986.81 : 169,535.50 = 45,516.04 : x
  2. Step 2: Convert to fraction form
    112,986.81/169,535.50 = 45,516.04/x
  3. Step 3: Cross multiply
    112,986.81x = 169,535.50 × 45,516.04
  4. Step 4: Simplify right side
    112,986.81x = 7,716,584,061.79
  5. Step 5: Solve for x
    x = 7,716,584,061.79/112,986.81
  6. Step 6: Final answer
    x = 68,296.33

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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.