Home / 85,936.14-128,819.43-36,030.42

Finding the Fourth Proportional to 85,936.14, 128,819.43 and 36,030.42

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Solution

The fourth proportional to 85,936.14, 128,819.43 and 36,030.42 is: 54,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,936.14 : 128,819.43 = 36,030.42 : x
  2. Step 2: Convert to fraction form
    85,936.14/128,819.43 = 36,030.42/x
  3. Step 3: Cross multiply
    85,936.14x = 128,819.43 × 36,030.42
  4. Step 4: Simplify right side
    85,936.14x = 4,641,418,167.06
  5. Step 5: Solve for x
    x = 4,641,418,167.06/85,936.14
  6. Step 6: Final answer
    x = 54,010.08

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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.