Home / 64,152.10-96,243.80-45,213.64

Finding the Fourth Proportional to 64,152.10, 96,243.80 and 45,213.64

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Solution

The fourth proportional to 64,152.10, 96,243.80 and 45,213.64 is: 67,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152.10 : 96,243.80 = 45,213.64 : x
  2. Step 2: Convert to fraction form
    64,152.10/96,243.80 = 45,213.64/x
  3. Step 3: Cross multiply
    64,152.10x = 96,243.80 × 45,213.64
  4. Step 4: Simplify right side
    64,152.10x = 4,351,532,600.13
  5. Step 5: Solve for x
    x = 4,351,532,600.13/64,152.10
  6. Step 6: Final answer
    x = 67,831.49

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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.