Home / 64,620.07-96,913.90-45,845.35

Finding the Fourth Proportional to 64,620.07, 96,913.90 and 45,845.35

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Solution

The fourth proportional to 64,620.07, 96,913.90 and 45,845.35 is: 68,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,620.07 : 96,913.90 = 45,845.35 : x
  2. Step 2: Convert to fraction form
    64,620.07/96,913.90 = 45,845.35/x
  3. Step 3: Cross multiply
    64,620.07x = 96,913.90 × 45,845.35
  4. Step 4: Simplify right side
    64,620.07x = 4,443,051,665.37
  5. Step 5: Solve for x
    x = 4,443,051,665.37/64,620.07
  6. Step 6: Final answer
    x = 68,756.53

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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.