Home / 64,512.64-96,678.20-51,306.40

Finding the Fourth Proportional to 64,512.64, 96,678.20 and 51,306.40

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Solution

The fourth proportional to 64,512.64, 96,678.20 and 51,306.40 is: 76,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512.64 : 96,678.20 = 51,306.40 : x
  2. Step 2: Convert to fraction form
    64,512.64/96,678.20 = 51,306.40/x
  3. Step 3: Cross multiply
    64,512.64x = 96,678.20 × 51,306.40
  4. Step 4: Simplify right side
    64,512.64x = 4,960,210,400.48
  5. Step 5: Solve for x
    x = 4,960,210,400.48/64,512.64
  6. Step 6: Final answer
    x = 76,887.42

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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.