Home / 86,033.43-129,068.06-43,362.84

Finding the Fourth Proportional to 86,033.43, 129,068.06 and 43,362.84

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Solution

The fourth proportional to 86,033.43, 129,068.06 and 43,362.84 is: 65,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.43 : 129,068.06 = 43,362.84 : x
  2. Step 2: Convert to fraction form
    86,033.43/129,068.06 = 43,362.84/x
  3. Step 3: Cross multiply
    86,033.43x = 129,068.06 × 43,362.84
  4. Step 4: Simplify right side
    86,033.43x = 5,596,757,634.89
  5. Step 5: Solve for x
    x = 5,596,757,634.89/86,033.43
  6. Step 6: Final answer
    x = 65,053.29

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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.