Home / 60,489.21-90,666.58-45,650.01

Finding the Fourth Proportional to 60,489.21, 90,666.58 and 45,650.01

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Solution

The fourth proportional to 60,489.21, 90,666.58 and 45,650.01 is: 68,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489.21 : 90,666.58 = 45,650.01 : x
  2. Step 2: Convert to fraction form
    60,489.21/90,666.58 = 45,650.01/x
  3. Step 3: Cross multiply
    60,489.21x = 90,666.58 × 45,650.01
  4. Step 4: Simplify right side
    60,489.21x = 4,138,930,283.67
  5. Step 5: Solve for x
    x = 4,138,930,283.67/60,489.21
  6. Step 6: Final answer
    x = 68,424.27

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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.