Home / 74,349.77-102,687.27-50,434.92

Finding the Fourth Proportional to 74,349.77, 102,687.27 and 50,434.92

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Solution

The fourth proportional to 74,349.77, 102,687.27 and 50,434.92 is: 69,657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,349.77 : 102,687.27 = 50,434.92 : x
  2. Step 2: Convert to fraction form
    74,349.77/102,687.27 = 50,434.92/x
  3. Step 3: Cross multiply
    74,349.77x = 102,687.27 × 50,434.92
  4. Step 4: Simplify right side
    74,349.77x = 5,179,024,247.47
  5. Step 5: Solve for x
    x = 5,179,024,247.47/74,349.77
  6. Step 6: Final answer
    x = 69,657.57

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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.