Home / 89,050.40-133,575.60-55,872.80

Finding the Fourth Proportional to 89,050.40, 133,575.60 and 55,872.80

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Solution

The fourth proportional to 89,050.40, 133,575.60 and 55,872.80 is: 83,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,050.40 : 133,575.60 = 55,872.80 : x
  2. Step 2: Convert to fraction form
    89,050.40/133,575.60 = 55,872.80/x
  3. Step 3: Cross multiply
    89,050.40x = 133,575.60 × 55,872.80
  4. Step 4: Simplify right side
    89,050.40x = 7,463,242,783.68
  5. Step 5: Solve for x
    x = 7,463,242,783.68/89,050.40
  6. Step 6: Final answer
    x = 83,809.20

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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.