Home / 100,923.18-151,408.56-56,580.54

Finding the Fourth Proportional to 100,923.18, 151,408.56 and 56,580.54

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Solution

The fourth proportional to 100,923.18, 151,408.56 and 56,580.54 is: 84,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,923.18 : 151,408.56 = 56,580.54 : x
  2. Step 2: Convert to fraction form
    100,923.18/151,408.56 = 56,580.54/x
  3. Step 3: Cross multiply
    100,923.18x = 151,408.56 × 56,580.54
  4. Step 4: Simplify right side
    100,923.18x = 8,566,778,085.42
  5. Step 5: Solve for x
    x = 8,566,778,085.42/100,923.18
  6. Step 6: Final answer
    x = 84,884.15

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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.