Home / 74,513.12-102,776.04-50,598.30

Finding the Fourth Proportional to 74,513.12, 102,776.04 and 50,598.30

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Solution

The fourth proportional to 74,513.12, 102,776.04 and 50,598.30 is: 69,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,513.12 : 102,776.04 = 50,598.30 : x
  2. Step 2: Convert to fraction form
    74,513.12/102,776.04 = 50,598.30/x
  3. Step 3: Cross multiply
    74,513.12x = 102,776.04 × 50,598.30
  4. Step 4: Simplify right side
    74,513.12x = 5,200,292,904.73
  5. Step 5: Solve for x
    x = 5,200,292,904.73/74,513.12
  6. Step 6: Final answer
    x = 69,790.30

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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.