Home / 90,875.43-136,340.97-46,533.58

Finding the Fourth Proportional to 90,875.43, 136,340.97 and 46,533.58

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Solution

The fourth proportional to 90,875.43, 136,340.97 and 46,533.58 is: 69,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,875.43 : 136,340.97 = 46,533.58 : x
  2. Step 2: Convert to fraction form
    90,875.43/136,340.97 = 46,533.58/x
  3. Step 3: Cross multiply
    90,875.43x = 136,340.97 × 46,533.58
  4. Step 4: Simplify right side
    90,875.43x = 6,344,432,919.42
  5. Step 5: Solve for x
    x = 6,344,432,919.42/90,875.43
  6. Step 6: Final answer
    x = 69,814.61

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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.