Home / 86,075.20-118,768.80-48,351.04

Finding the Fourth Proportional to 86,075.20, 118,768.80 and 48,351.04

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Solution

The fourth proportional to 86,075.20, 118,768.80 and 48,351.04 is: 66,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075.20 : 118,768.80 = 48,351.04 : x
  2. Step 2: Convert to fraction form
    86,075.20/118,768.80 = 48,351.04/x
  3. Step 3: Cross multiply
    86,075.20x = 118,768.80 × 48,351.04
  4. Step 4: Simplify right side
    86,075.20x = 5,742,594,999.55
  5. Step 5: Solve for x
    x = 5,742,594,999.55/86,075.20
  6. Step 6: Final answer
    x = 66,716.02

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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.