Home / 64,455.20-96,707.10-31,204.70

Finding the Fourth Proportional to 64,455.20, 96,707.10 and 31,204.70

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Solution

The fourth proportional to 64,455.20, 96,707.10 and 31,204.70 is: 46,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.20 : 96,707.10 = 31,204.70 : x
  2. Step 2: Convert to fraction form
    64,455.20/96,707.10 = 31,204.70/x
  3. Step 3: Cross multiply
    64,455.20x = 96,707.10 × 31,204.70
  4. Step 4: Simplify right side
    64,455.20x = 3,017,716,043.37
  5. Step 5: Solve for x
    x = 3,017,716,043.37/64,455.20
  6. Step 6: Final answer
    x = 46,818.81

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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.