Home / 90,518.88-135,726.48-35,050.08

Finding the Fourth Proportional to 90,518.88, 135,726.48 and 35,050.08

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Solution

The fourth proportional to 90,518.88, 135,726.48 and 35,050.08 is: 52,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,518.88 : 135,726.48 = 35,050.08 : x
  2. Step 2: Convert to fraction form
    90,518.88/135,726.48 = 35,050.08/x
  3. Step 3: Cross multiply
    90,518.88x = 135,726.48 × 35,050.08
  4. Step 4: Simplify right side
    90,518.88x = 4,757,223,982.12
  5. Step 5: Solve for x
    x = 4,757,223,982.12/90,518.88
  6. Step 6: Final answer
    x = 52,555.05

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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.