Home / 89,078.88-133,432.44-53,427.18

Finding the Fourth Proportional to 89,078.88, 133,432.44 and 53,427.18

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Solution

The fourth proportional to 89,078.88, 133,432.44 and 53,427.18 is: 80,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,078.88 : 133,432.44 = 53,427.18 : x
  2. Step 2: Convert to fraction form
    89,078.88/133,432.44 = 53,427.18/x
  3. Step 3: Cross multiply
    89,078.88x = 133,432.44 × 53,427.18
  4. Step 4: Simplify right side
    89,078.88x = 7,128,918,989.72
  5. Step 5: Solve for x
    x = 7,128,918,989.72/89,078.88
  6. Step 6: Final answer
    x = 80,029.28

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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.