Home / 50,203.12-69,251.52-31,307.44

Finding the Fourth Proportional to 50,203.12, 69,251.52 and 31,307.44

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Solution

The fourth proportional to 50,203.12, 69,251.52 and 31,307.44 is: 43,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,203.12 : 69,251.52 = 31,307.44 : x
  2. Step 2: Convert to fraction form
    50,203.12/69,251.52 = 31,307.44/x
  3. Step 3: Cross multiply
    50,203.12x = 69,251.52 × 31,307.44
  4. Step 4: Simplify right side
    50,203.12x = 2,168,087,807.31
  5. Step 5: Solve for x
    x = 2,168,087,807.31/50,203.12
  6. Step 6: Final answer
    x = 43,186.32

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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.