Home / 80,551.02-120,795.74-26,503.12

Finding the Fourth Proportional to 80,551.02, 120,795.74 and 26,503.12

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Solution

The fourth proportional to 80,551.02, 120,795.74 and 26,503.12 is: 39,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,551.02 : 120,795.74 = 26,503.12 : x
  2. Step 2: Convert to fraction form
    80,551.02/120,795.74 = 26,503.12/x
  3. Step 3: Cross multiply
    80,551.02x = 120,795.74 × 26,503.12
  4. Step 4: Simplify right side
    80,551.02x = 3,201,463,992.71
  5. Step 5: Solve for x
    x = 3,201,463,992.71/80,551.02
  6. Step 6: Final answer
    x = 39,744.55

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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.