Home / 96,866.08-133,670.05-54,421.88

Finding the Fourth Proportional to 96,866.08, 133,670.05 and 54,421.88

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Solution

The fourth proportional to 96,866.08, 133,670.05 and 54,421.88 is: 75,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,866.08 : 133,670.05 = 54,421.88 : x
  2. Step 2: Convert to fraction form
    96,866.08/133,670.05 = 54,421.88/x
  3. Step 3: Cross multiply
    96,866.08x = 133,670.05 × 54,421.88
  4. Step 4: Simplify right side
    96,866.08x = 7,274,574,616.29
  5. Step 5: Solve for x
    x = 7,274,574,616.29/96,866.08
  6. Step 6: Final answer
    x = 75,099.30

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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.