Home / 78,510.44-108,308.66-46,661.24

Finding the Fourth Proportional to 78,510.44, 108,308.66 and 46,661.24

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Solution

The fourth proportional to 78,510.44, 108,308.66 and 46,661.24 is: 64,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,510.44 : 108,308.66 = 46,661.24 : x
  2. Step 2: Convert to fraction form
    78,510.44/108,308.66 = 46,661.24/x
  3. Step 3: Cross multiply
    78,510.44x = 108,308.66 × 46,661.24
  4. Step 4: Simplify right side
    78,510.44x = 5,053,816,378.34
  5. Step 5: Solve for x
    x = 5,053,816,378.34/78,510.44
  6. Step 6: Final answer
    x = 64,371.27

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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.