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Finding the Fourth Proportional to 92,852.96, 128,133.52 and 50,410.56

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Solution

The fourth proportional to 92,852.96, 128,133.52 and 50,410.56 is: 69,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,852.96 : 128,133.52 = 50,410.56 : x
  2. Step 2: Convert to fraction form
    92,852.96/128,133.52 = 50,410.56/x
  3. Step 3: Cross multiply
    92,852.96x = 128,133.52 × 50,410.56
  4. Step 4: Simplify right side
    92,852.96x = 6,459,282,497.97
  5. Step 5: Solve for x
    x = 6,459,282,497.97/92,852.96
  6. Step 6: Final answer
    x = 69,564.64

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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.