Home / 86,039.46-118,777.64-53,792.01

Finding the Fourth Proportional to 86,039.46, 118,777.64 and 53,792.01

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Solution

The fourth proportional to 86,039.46, 118,777.64 and 53,792.01 is: 74,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039.46 : 118,777.64 = 53,792.01 : x
  2. Step 2: Convert to fraction form
    86,039.46/118,777.64 = 53,792.01/x
  3. Step 3: Cross multiply
    86,039.46x = 118,777.64 × 53,792.01
  4. Step 4: Simplify right side
    86,039.46x = 6,389,287,729.70
  5. Step 5: Solve for x
    x = 6,389,287,729.70/86,039.46
  6. Step 6: Final answer
    x = 74,259.97

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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.