Home / 78,848.01-118,226.56-53,918.26

Finding the Fourth Proportional to 78,848.01, 118,226.56 and 53,918.26

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Solution

The fourth proportional to 78,848.01, 118,226.56 and 53,918.26 is: 80,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,848.01 : 118,226.56 = 53,918.26 : x
  2. Step 2: Convert to fraction form
    78,848.01/118,226.56 = 53,918.26/x
  3. Step 3: Cross multiply
    78,848.01x = 118,226.56 × 53,918.26
  4. Step 4: Simplify right side
    78,848.01x = 6,374,570,223.37
  5. Step 5: Solve for x
    x = 6,374,570,223.37/78,848.01
  6. Step 6: Final answer
    x = 80,846.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.