Home / 74,509.12-102,770.54-50,594.28

Finding the Fourth Proportional to 74,509.12, 102,770.54 and 50,594.28

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Solution

The fourth proportional to 74,509.12, 102,770.54 and 50,594.28 is: 69,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,509.12 : 102,770.54 = 50,594.28 : x
  2. Step 2: Convert to fraction form
    74,509.12/102,770.54 = 50,594.28/x
  3. Step 3: Cross multiply
    74,509.12x = 102,770.54 × 50,594.28
  4. Step 4: Simplify right side
    74,509.12x = 5,199,600,709.69
  5. Step 5: Solve for x
    x = 5,199,600,709.69/74,509.12
  6. Step 6: Final answer
    x = 69,784.76

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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.