Home / 89,040.48-133,538.85-29,874.84

Finding the Fourth Proportional to 89,040.48, 133,538.85 and 29,874.84

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Solution

The fourth proportional to 89,040.48, 133,538.85 and 29,874.84 is: 44,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,040.48 : 133,538.85 = 29,874.84 : x
  2. Step 2: Convert to fraction form
    89,040.48/133,538.85 = 29,874.84/x
  3. Step 3: Cross multiply
    89,040.48x = 133,538.85 × 29,874.84
  4. Step 4: Simplify right side
    89,040.48x = 3,989,451,777.53
  5. Step 5: Solve for x
    x = 3,989,451,777.53/89,040.48
  6. Step 6: Final answer
    x = 44,804.92

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1.5x scale

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.