Home / 86,029.88-118,722.60-48,303.32

Finding the Fourth Proportional to 86,029.88, 118,722.60 and 48,303.32

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Solution

The fourth proportional to 86,029.88, 118,722.60 and 48,303.32 is: 66,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,029.88 : 118,722.60 = 48,303.32 : x
  2. Step 2: Convert to fraction form
    86,029.88/118,722.60 = 48,303.32/x
  3. Step 3: Cross multiply
    86,029.88x = 118,722.60 × 48,303.32
  4. Step 4: Simplify right side
    86,029.88x = 5,734,695,145.42
  5. Step 5: Solve for x
    x = 5,734,695,145.42/86,029.88
  6. Step 6: Final answer
    x = 66,659.35

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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.