Home / 66,331.20-99,496.80-58,555.20

Finding the Fourth Proportional to 66,331.20, 99,496.80 and 58,555.20

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Solution

The fourth proportional to 66,331.20, 99,496.80 and 58,555.20 is: 87,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331.20 : 99,496.80 = 58,555.20 : x
  2. Step 2: Convert to fraction form
    66,331.20/99,496.80 = 58,555.20/x
  3. Step 3: Cross multiply
    66,331.20x = 99,496.80 × 58,555.20
  4. Step 4: Simplify right side
    66,331.20x = 5,826,055,023.36
  5. Step 5: Solve for x
    x = 5,826,055,023.36/66,331.20
  6. Step 6: Final answer
    x = 87,832.80

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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.