Home / 92,850.84-128,133.79-50,409.36

Finding the Fourth Proportional to 92,850.84, 128,133.79 and 50,409.36

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Solution

The fourth proportional to 92,850.84, 128,133.79 and 50,409.36 is: 69,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.84 : 128,133.79 = 50,409.36 : x
  2. Step 2: Convert to fraction form
    92,850.84/128,133.79 = 50,409.36/x
  3. Step 3: Cross multiply
    92,850.84x = 128,133.79 × 50,409.36
  4. Step 4: Simplify right side
    92,850.84x = 6,459,142,348.27
  5. Step 5: Solve for x
    x = 6,459,142,348.27/92,850.84
  6. Step 6: Final answer
    x = 69,564.72

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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.