Home / 78,001.92-107,670.60-46,171.08

Finding the Fourth Proportional to 78,001.92, 107,670.60 and 46,171.08

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Solution

The fourth proportional to 78,001.92, 107,670.60 and 46,171.08 is: 63,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,001.92 : 107,670.60 = 46,171.08 : x
  2. Step 2: Convert to fraction form
    78,001.92/107,670.60 = 46,171.08/x
  3. Step 3: Cross multiply
    78,001.92x = 107,670.60 × 46,171.08
  4. Step 4: Simplify right side
    78,001.92x = 4,971,267,886.25
  5. Step 5: Solve for x
    x = 4,971,267,886.25/78,001.92
  6. Step 6: Final answer
    x = 63,732.63

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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.