Home / 90,204.04-135,290.22-27,875.08

Finding the Fourth Proportional to 90,204.04, 135,290.22 and 27,875.08

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Solution

The fourth proportional to 90,204.04, 135,290.22 and 27,875.08 is: 41,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,204.04 : 135,290.22 = 27,875.08 : x
  2. Step 2: Convert to fraction form
    90,204.04/135,290.22 = 27,875.08/x
  3. Step 3: Cross multiply
    90,204.04x = 135,290.22 × 27,875.08
  4. Step 4: Simplify right side
    90,204.04x = 3,771,225,705.72
  5. Step 5: Solve for x
    x = 3,771,225,705.72/90,204.04
  6. Step 6: Final answer
    x = 41,807.73

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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.