Home / 90,504.63-124,894.48-50,217.53

Finding the Fourth Proportional to 90,504.63, 124,894.48 and 50,217.53

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Solution

The fourth proportional to 90,504.63, 124,894.48 and 50,217.53 is: 69,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,504.63 : 124,894.48 = 50,217.53 : x
  2. Step 2: Convert to fraction form
    90,504.63/124,894.48 = 50,217.53/x
  3. Step 3: Cross multiply
    90,504.63x = 124,894.48 × 50,217.53
  4. Step 4: Simplify right side
    90,504.63x = 6,271,892,296.23
  5. Step 5: Solve for x
    x = 6,271,892,296.23/90,504.63
  6. Step 6: Final answer
    x = 69,299.13

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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.