Home / 90,882.58-136,335.24-30,095.32

Finding the Fourth Proportional to 90,882.58, 136,335.24 and 30,095.32

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Solution

The fourth proportional to 90,882.58, 136,335.24 and 30,095.32 is: 45,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,882.58 : 136,335.24 = 30,095.32 : x
  2. Step 2: Convert to fraction form
    90,882.58/136,335.24 = 30,095.32/x
  3. Step 3: Cross multiply
    90,882.58x = 136,335.24 × 30,095.32
  4. Step 4: Simplify right side
    90,882.58x = 4,103,052,675.08
  5. Step 5: Solve for x
    x = 4,103,052,675.08/90,882.58
  6. Step 6: Final answer
    x = 45,146.75

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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.