Home / 94,072.96-129,848.32-53,809.60

Finding the Fourth Proportional to 94,072.96, 129,848.32 and 53,809.60

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Solution

The fourth proportional to 94,072.96, 129,848.32 and 53,809.60 is: 74,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,072.96 : 129,848.32 = 53,809.60 : x
  2. Step 2: Convert to fraction form
    94,072.96/129,848.32 = 53,809.60/x
  3. Step 3: Cross multiply
    94,072.96x = 129,848.32 × 53,809.60
  4. Step 4: Simplify right side
    94,072.96x = 6,987,086,159.87
  5. Step 5: Solve for x
    x = 6,987,086,159.87/94,072.96
  6. Step 6: Final answer
    x = 74,273.06

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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.