Home / 86,260.15-129,313.27-33,657.40

Finding the Fourth Proportional to 86,260.15, 129,313.27 and 33,657.40

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Solution

The fourth proportional to 86,260.15, 129,313.27 and 33,657.40 is: 50,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,260.15 : 129,313.27 = 33,657.40 : x
  2. Step 2: Convert to fraction form
    86,260.15/129,313.27 = 33,657.40/x
  3. Step 3: Cross multiply
    86,260.15x = 129,313.27 × 33,657.40
  4. Step 4: Simplify right side
    86,260.15x = 4,352,348,453.70
  5. Step 5: Solve for x
    x = 4,352,348,453.70/86,260.15
  6. Step 6: Final answer
    x = 50,456.07

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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.