Home / 83,980.05-125,969.29-34,048.28

Finding the Fourth Proportional to 83,980.05, 125,969.29 and 34,048.28

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Solution

The fourth proportional to 83,980.05, 125,969.29 and 34,048.28 is: 51,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,980.05 : 125,969.29 = 34,048.28 : x
  2. Step 2: Convert to fraction form
    83,980.05/125,969.29 = 34,048.28/x
  3. Step 3: Cross multiply
    83,980.05x = 125,969.29 × 34,048.28
  4. Step 4: Simplify right side
    83,980.05x = 4,289,037,027.47
  5. Step 5: Solve for x
    x = 4,289,037,027.47/83,980.05
  6. Step 6: Final answer
    x = 51,072.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.