Home / 90,528.08-124,930.10-50,244.44

Finding the Fourth Proportional to 90,528.08, 124,930.10 and 50,244.44

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Solution

The fourth proportional to 90,528.08, 124,930.10 and 50,244.44 is: 69,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528.08 : 124,930.10 = 50,244.44 : x
  2. Step 2: Convert to fraction form
    90,528.08/124,930.10 = 50,244.44/x
  3. Step 3: Cross multiply
    90,528.08x = 124,930.10 × 50,244.44
  4. Step 4: Simplify right side
    90,528.08x = 6,277,042,913.64
  5. Step 5: Solve for x
    x = 6,277,042,913.64/90,528.08
  6. Step 6: Final answer
    x = 69,338.08

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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.