Home / 78,334.14-108,102.94-46,503.16

Finding the Fourth Proportional to 78,334.14, 108,102.94 and 46,503.16

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Solution

The fourth proportional to 78,334.14, 108,102.94 and 46,503.16 is: 64,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,334.14 : 108,102.94 = 46,503.16 : x
  2. Step 2: Convert to fraction form
    78,334.14/108,102.94 = 46,503.16/x
  3. Step 3: Cross multiply
    78,334.14x = 108,102.94 × 46,503.16
  4. Step 4: Simplify right side
    78,334.14x = 5,027,128,315.29
  5. Step 5: Solve for x
    x = 5,027,128,315.29/78,334.14
  6. Step 6: Final answer
    x = 64,175.45

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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.