Home / 92,942.58-128,261.54-50,501.12

Finding the Fourth Proportional to 92,942.58, 128,261.54 and 50,501.12

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Solution

The fourth proportional to 92,942.58, 128,261.54 and 50,501.12 is: 69,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,942.58 : 128,261.54 = 50,501.12 : x
  2. Step 2: Convert to fraction form
    92,942.58/128,261.54 = 50,501.12/x
  3. Step 3: Cross multiply
    92,942.58x = 128,261.54 × 50,501.12
  4. Step 4: Simplify right side
    92,942.58x = 6,477,350,529.11
  5. Step 5: Solve for x
    x = 6,477,350,529.11/92,942.58
  6. Step 6: Final answer
    x = 69,691.96

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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.