Home / 44,128.59-66,155.67-19,149.81

Finding the Fourth Proportional to 44,128.59, 66,155.67 and 19,149.81

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Solution

The fourth proportional to 44,128.59, 66,155.67 and 19,149.81 is: 28,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,128.59 : 66,155.67 = 19,149.81 : x
  2. Step 2: Convert to fraction form
    44,128.59/66,155.67 = 19,149.81/x
  3. Step 3: Cross multiply
    44,128.59x = 66,155.67 × 19,149.81
  4. Step 4: Simplify right side
    44,128.59x = 1,266,868,510.92
  5. Step 5: Solve for x
    x = 1,266,868,510.92/44,128.59
  6. Step 6: Final answer
    x = 28,708.57

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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.