Home / 86,056.86-118,463.64-74,659.26

Finding the Fourth Proportional to 86,056.86, 118,463.64 and 74,659.26

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Solution

The fourth proportional to 86,056.86, 118,463.64 and 74,659.26 is: 102,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056.86 : 118,463.64 = 74,659.26 : x
  2. Step 2: Convert to fraction form
    86,056.86/118,463.64 = 74,659.26/x
  3. Step 3: Cross multiply
    86,056.86x = 118,463.64 × 74,659.26
  4. Step 4: Simplify right side
    86,056.86x = 8,844,407,699.31
  5. Step 5: Solve for x
    x = 8,844,407,699.31/86,056.86
  6. Step 6: Final answer
    x = 102,774.00

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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.