Home / 86,300.33-129,284.64-52,923.06

Finding the Fourth Proportional to 86,300.33, 129,284.64 and 52,923.06

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Solution

The fourth proportional to 86,300.33, 129,284.64 and 52,923.06 is: 79,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,300.33 : 129,284.64 = 52,923.06 : x
  2. Step 2: Convert to fraction form
    86,300.33/129,284.64 = 52,923.06/x
  3. Step 3: Cross multiply
    86,300.33x = 129,284.64 × 52,923.06
  4. Step 4: Simplify right side
    86,300.33x = 6,842,138,759.80
  5. Step 5: Solve for x
    x = 6,842,138,759.80/86,300.33
  6. Step 6: Final answer
    x = 79,282.89

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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.