Home / 103,055.60-154,582.15-58,080.35

Finding the Fourth Proportional to 103,055.60, 154,582.15 and 58,080.35

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Solution

The fourth proportional to 103,055.60, 154,582.15 and 58,080.35 is: 87,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,055.60 : 154,582.15 = 58,080.35 : x
  2. Step 2: Convert to fraction form
    103,055.60/154,582.15 = 58,080.35/x
  3. Step 3: Cross multiply
    103,055.60x = 154,582.15 × 58,080.35
  4. Step 4: Simplify right side
    103,055.60x = 8,978,185,375.75
  5. Step 5: Solve for x
    x = 8,978,185,375.75/103,055.60
  6. Step 6: Final answer
    x = 87,119.82

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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.