Home / 90,500.63-124,888.97-50,213.53

Finding the Fourth Proportional to 90,500.63, 124,888.97 and 50,213.53

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Solution

The fourth proportional to 90,500.63, 124,888.97 and 50,213.53 is: 69,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,500.63 : 124,888.97 = 50,213.53 : x
  2. Step 2: Convert to fraction form
    90,500.63/124,888.97 = 50,213.53/x
  3. Step 3: Cross multiply
    90,500.63x = 124,888.97 × 50,213.53
  4. Step 4: Simplify right side
    90,500.63x = 6,271,115,478.47
  5. Step 5: Solve for x
    x = 6,271,115,478.47/90,500.63
  6. Step 6: Final answer
    x = 69,293.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.