Home / 216,084.42-324,126.63-58,312.86

Finding the Fourth Proportional to 216,084.42, 324,126.63 and 58,312.86

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Solution

The fourth proportional to 216,084.42, 324,126.63 and 58,312.86 is: 87,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,084.42 : 324,126.63 = 58,312.86 : x
  2. Step 2: Convert to fraction form
    216,084.42/324,126.63 = 58,312.86/x
  3. Step 3: Cross multiply
    216,084.42x = 324,126.63 × 58,312.86
  4. Step 4: Simplify right side
    216,084.42x = 18,900,750,797.46
  5. Step 5: Solve for x
    x = 18,900,750,797.46/216,084.42
  6. Step 6: Final answer
    x = 87,469.29

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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.