Home / 103,080.47-154,596.47-58,121.15

Finding the Fourth Proportional to 103,080.47, 154,596.47 and 58,121.15

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Solution

The fourth proportional to 103,080.47, 154,596.47 and 58,121.15 is: 87,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,080.47 : 154,596.47 = 58,121.15 : x
  2. Step 2: Convert to fraction form
    103,080.47/154,596.47 = 58,121.15/x
  3. Step 3: Cross multiply
    103,080.47x = 154,596.47 × 58,121.15
  4. Step 4: Simplify right side
    103,080.47x = 8,985,323,558.75
  5. Step 5: Solve for x
    x = 8,985,323,558.75/103,080.47
  6. Step 6: Final answer
    x = 87,168.05

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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.