Home / 89,100.72-122,953.68-48,807.36

Finding the Fourth Proportional to 89,100.72, 122,953.68 and 48,807.36

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Solution

The fourth proportional to 89,100.72, 122,953.68 and 48,807.36 is: 67,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,100.72 : 122,953.68 = 48,807.36 : x
  2. Step 2: Convert to fraction form
    89,100.72/122,953.68 = 48,807.36/x
  3. Step 3: Cross multiply
    89,100.72x = 122,953.68 × 48,807.36
  4. Step 4: Simplify right side
    89,100.72x = 6,001,044,523.08
  5. Step 5: Solve for x
    x = 6,001,044,523.08/89,100.72
  6. Step 6: Final answer
    x = 67,351.25

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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.