Home / 100,939.17-151,432.55-56,596.53

Finding the Fourth Proportional to 100,939.17, 151,432.55 and 56,596.53

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Solution

The fourth proportional to 100,939.17, 151,432.55 and 56,596.53 is: 84,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,939.17 : 151,432.55 = 56,596.53 : x
  2. Step 2: Convert to fraction form
    100,939.17/151,432.55 = 56,596.53/x
  3. Step 3: Cross multiply
    100,939.17x = 151,432.55 × 56,596.53
  4. Step 4: Simplify right side
    100,939.17x = 8,570,556,859.05
  5. Step 5: Solve for x
    x = 8,570,556,859.05/100,939.17
  6. Step 6: Final answer
    x = 84,908.14

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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.