Home / 92,900.34-128,203.41-50,459.70

Finding the Fourth Proportional to 92,900.34, 128,203.41 and 50,459.70

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Solution

The fourth proportional to 92,900.34, 128,203.41 and 50,459.70 is: 69,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,900.34 : 128,203.41 = 50,459.70 : x
  2. Step 2: Convert to fraction form
    92,900.34/128,203.41 = 50,459.70/x
  3. Step 3: Cross multiply
    92,900.34x = 128,203.41 × 50,459.70
  4. Step 4: Simplify right side
    92,900.34x = 6,469,105,607.58
  5. Step 5: Solve for x
    x = 6,469,105,607.58/92,900.34
  6. Step 6: Final answer
    x = 69,634.90

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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.