Home / 93,711.26-129,308.79-55,977.50

Finding the Fourth Proportional to 93,711.26, 129,308.79 and 55,977.50

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Solution

The fourth proportional to 93,711.26, 129,308.79 and 55,977.50 is: 77,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,711.26 : 129,308.79 = 55,977.50 : x
  2. Step 2: Convert to fraction form
    93,711.26/129,308.79 = 55,977.50/x
  3. Step 3: Cross multiply
    93,711.26x = 129,308.79 × 55,977.50
  4. Step 4: Simplify right side
    93,711.26x = 7,238,382,792.23
  5. Step 5: Solve for x
    x = 7,238,382,792.23/93,711.26
  6. Step 6: Final answer
    x = 77,241.33

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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.