Home / 114,525.68-158,041.76-66,781.04

Finding the Fourth Proportional to 114,525.68, 158,041.76 and 66,781.04

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Solution

The fourth proportional to 114,525.68, 158,041.76 and 66,781.04 is: 92,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,525.68 : 158,041.76 = 66,781.04 : x
  2. Step 2: Convert to fraction form
    114,525.68/158,041.76 = 66,781.04/x
  3. Step 3: Cross multiply
    114,525.68x = 158,041.76 × 66,781.04
  4. Step 4: Simplify right side
    114,525.68x = 10,554,193,096.23
  5. Step 5: Solve for x
    x = 10,554,193,096.23/114,525.68
  6. Step 6: Final answer
    x = 92,155.69

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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.