Home / 90,575.32-135,871.62-35,175.64

Finding the Fourth Proportional to 90,575.32, 135,871.62 and 35,175.64

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Solution

The fourth proportional to 90,575.32, 135,871.62 and 35,175.64 is: 52,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,575.32 : 135,871.62 = 35,175.64 : x
  2. Step 2: Convert to fraction form
    90,575.32/135,871.62 = 35,175.64/x
  3. Step 3: Cross multiply
    90,575.32x = 135,871.62 × 35,175.64
  4. Step 4: Simplify right side
    90,575.32x = 4,779,371,191.34
  5. Step 5: Solve for x
    x = 4,779,371,191.34/90,575.32
  6. Step 6: Final answer
    x = 52,766.82

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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.