Home / 87,636.02-131,441.67-28,472.41

Finding the Fourth Proportional to 87,636.02, 131,441.67 and 28,472.41

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Solution

The fourth proportional to 87,636.02, 131,441.67 and 28,472.41 is: 42,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636.02 : 131,441.67 = 28,472.41 : x
  2. Step 2: Convert to fraction form
    87,636.02/131,441.67 = 28,472.41/x
  3. Step 3: Cross multiply
    87,636.02x = 131,441.67 × 28,472.41
  4. Step 4: Simplify right side
    87,636.02x = 3,742,461,119.32
  5. Step 5: Solve for x
    x = 3,742,461,119.32/87,636.02
  6. Step 6: Final answer
    x = 42,704.60

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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.