Home / 78,373.36-108,105.96-46,519.84

Finding the Fourth Proportional to 78,373.36, 108,105.96 and 46,519.84

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Solution

The fourth proportional to 78,373.36, 108,105.96 and 46,519.84 is: 64,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,373.36 : 108,105.96 = 46,519.84 : x
  2. Step 2: Convert to fraction form
    78,373.36/108,105.96 = 46,519.84/x
  3. Step 3: Cross multiply
    78,373.36x = 108,105.96 × 46,519.84
  4. Step 4: Simplify right side
    78,373.36x = 5,029,071,962.25
  5. Step 5: Solve for x
    x = 5,029,071,962.25/78,373.36
  6. Step 6: Final answer
    x = 64,168.13

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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.