Home / 86,276.10-129,394.70-33,658.50

Finding the Fourth Proportional to 86,276.10, 129,394.70 and 33,658.50

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Solution

The fourth proportional to 86,276.10, 129,394.70 and 33,658.50 is: 50,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276.10 : 129,394.70 = 33,658.50 : x
  2. Step 2: Convert to fraction form
    86,276.10/129,394.70 = 33,658.50/x
  3. Step 3: Cross multiply
    86,276.10x = 129,394.70 × 33,658.50
  4. Step 4: Simplify right side
    86,276.10x = 4,355,230,947.12
  5. Step 5: Solve for x
    x = 4,355,230,947.12/86,276.10
  6. Step 6: Final answer
    x = 50,480.16

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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.