Home / 92,901.13-128,202.85-50,459.96

Finding the Fourth Proportional to 92,901.13, 128,202.85 and 50,459.96

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Solution

The fourth proportional to 92,901.13, 128,202.85 and 50,459.96 is: 69,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,901.13 : 128,202.85 = 50,459.96 : x
  2. Step 2: Convert to fraction form
    92,901.13/128,202.85 = 50,459.96/x
  3. Step 3: Cross multiply
    92,901.13x = 128,202.85 × 50,459.96
  4. Step 4: Simplify right side
    92,901.13x = 6,469,111,066.47
  5. Step 5: Solve for x
    x = 6,469,111,066.47/92,901.13
  6. Step 6: Final answer
    x = 69,634.37

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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.