Home / 89,102.72-122,956.44-48,809.36

Finding the Fourth Proportional to 89,102.72, 122,956.44 and 48,809.36

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Solution

The fourth proportional to 89,102.72, 122,956.44 and 48,809.36 is: 67,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,102.72 : 122,956.44 = 48,809.36 : x
  2. Step 2: Convert to fraction form
    89,102.72/122,956.44 = 48,809.36/x
  3. Step 3: Cross multiply
    89,102.72x = 122,956.44 × 48,809.36
  4. Step 4: Simplify right side
    89,102.72x = 6,001,425,144.28
  5. Step 5: Solve for x
    x = 6,001,425,144.28/89,102.72
  6. Step 6: Final answer
    x = 67,354.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.