Home / 50,421.52-69,562.96-50,343.76

Finding the Fourth Proportional to 50,421.52, 69,562.96 and 50,343.76

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Solution

The fourth proportional to 50,421.52, 69,562.96 and 50,343.76 is: 69,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,421.52 : 69,562.96 = 50,343.76 : x
  2. Step 2: Convert to fraction form
    50,421.52/69,562.96 = 50,343.76/x
  3. Step 3: Cross multiply
    50,421.52x = 69,562.96 × 50,343.76
  4. Step 4: Simplify right side
    50,421.52x = 3,502,060,963.13
  5. Step 5: Solve for x
    x = 3,502,060,963.13/50,421.52
  6. Step 6: Final answer
    x = 69,455.68

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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.