Home / 90,609.15-135,903.16-24,054.45

Finding the Fourth Proportional to 90,609.15, 135,903.16 and 24,054.45

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Solution

The fourth proportional to 90,609.15, 135,903.16 and 24,054.45 is: 36,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,609.15 : 135,903.16 = 24,054.45 : x
  2. Step 2: Convert to fraction form
    90,609.15/135,903.16 = 24,054.45/x
  3. Step 3: Cross multiply
    90,609.15x = 135,903.16 × 24,054.45
  4. Step 4: Simplify right side
    90,609.15x = 3,269,075,767.06
  5. Step 5: Solve for x
    x = 3,269,075,767.06/90,609.15
  6. Step 6: Final answer
    x = 36,078.87

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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.