Home / 90,202.74-135,312.06-23,642.64

Finding the Fourth Proportional to 90,202.74, 135,312.06 and 23,642.64

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Solution

The fourth proportional to 90,202.74, 135,312.06 and 23,642.64 is: 35,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.74 : 135,312.06 = 23,642.64 : x
  2. Step 2: Convert to fraction form
    90,202.74/135,312.06 = 23,642.64/x
  3. Step 3: Cross multiply
    90,202.74x = 135,312.06 × 23,642.64
  4. Step 4: Simplify right side
    90,202.74x = 3,199,134,322.24
  5. Step 5: Solve for x
    x = 3,199,134,322.24/90,202.74
  6. Step 6: Final answer
    x = 35,466.04

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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.