Home / 94,110.36-129,866.40-51,665.28

Finding the Fourth Proportional to 94,110.36, 129,866.40 and 51,665.28

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Solution

The fourth proportional to 94,110.36, 129,866.40 and 51,665.28 is: 71,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,110.36 : 129,866.40 = 51,665.28 : x
  2. Step 2: Convert to fraction form
    94,110.36/129,866.40 = 51,665.28/x
  3. Step 3: Cross multiply
    94,110.36x = 129,866.40 × 51,665.28
  4. Step 4: Simplify right side
    94,110.36x = 6,709,583,918.59
  5. Step 5: Solve for x
    x = 6,709,583,918.59/94,110.36
  6. Step 6: Final answer
    x = 71,294.85

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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.