Home / 105,570.05-158,327.39-39,029.21

Finding the Fourth Proportional to 105,570.05, 158,327.39 and 39,029.21

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Solution

The fourth proportional to 105,570.05, 158,327.39 and 39,029.21 is: 58,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,570.05 : 158,327.39 = 39,029.21 : x
  2. Step 2: Convert to fraction form
    105,570.05/158,327.39 = 39,029.21/x
  3. Step 3: Cross multiply
    105,570.05x = 158,327.39 × 39,029.21
  4. Step 4: Simplify right side
    105,570.05x = 6,179,391,966.28
  5. Step 5: Solve for x
    x = 6,179,391,966.28/105,570.05
  6. Step 6: Final answer
    x = 58,533.57

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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.