Home / 96,133.09-132,662.91-55,870.42

Finding the Fourth Proportional to 96,133.09, 132,662.91 and 55,870.42

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Solution

The fourth proportional to 96,133.09, 132,662.91 and 55,870.42 is: 77,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,133.09 : 132,662.91 = 55,870.42 : x
  2. Step 2: Convert to fraction form
    96,133.09/132,662.91 = 55,870.42/x
  3. Step 3: Cross multiply
    96,133.09x = 132,662.91 × 55,870.42
  4. Step 4: Simplify right side
    96,133.09x = 7,411,932,500.12
  5. Step 5: Solve for x
    x = 7,411,932,500.12/96,133.09
  6. Step 6: Final answer
    x = 77,100.74

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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.