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Finding the Fourth Proportional to 75,944.46, 104,803.36 and 42,410.46

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Solution

The fourth proportional to 75,944.46, 104,803.36 and 42,410.46 is: 58,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,944.46 : 104,803.36 = 42,410.46 : x
  2. Step 2: Convert to fraction form
    75,944.46/104,803.36 = 42,410.46/x
  3. Step 3: Cross multiply
    75,944.46x = 104,803.36 × 42,410.46
  4. Step 4: Simplify right side
    75,944.46x = 4,444,758,639.73
  5. Step 5: Solve for x
    x = 4,444,758,639.73/75,944.46
  6. Step 6: Final answer
    x = 58,526.44

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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.