Home / 64,831.10-97,234.65-18,074.30

Finding the Fourth Proportional to 64,831.10, 97,234.65 and 18,074.30

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Solution

The fourth proportional to 64,831.10, 97,234.65 and 18,074.30 is: 27,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.10 : 97,234.65 = 18,074.30 : x
  2. Step 2: Convert to fraction form
    64,831.10/97,234.65 = 18,074.30/x
  3. Step 3: Cross multiply
    64,831.10x = 97,234.65 × 18,074.30
  4. Step 4: Simplify right side
    64,831.10x = 1,757,448,234.50
  5. Step 5: Solve for x
    x = 1,757,448,234.50/64,831.10
  6. Step 6: Final answer
    x = 27,108.10

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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.