Home / 93,431.14-128,933.17-50,989.98

Finding the Fourth Proportional to 93,431.14, 128,933.17 and 50,989.98

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Solution

The fourth proportional to 93,431.14, 128,933.17 and 50,989.98 is: 70,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431.14 : 128,933.17 = 50,989.98 : x
  2. Step 2: Convert to fraction form
    93,431.14/128,933.17 = 50,989.98/x
  3. Step 3: Cross multiply
    93,431.14x = 128,933.17 × 50,989.98
  4. Step 4: Simplify right side
    93,431.14x = 6,574,299,759.64
  5. Step 5: Solve for x
    x = 6,574,299,759.64/93,431.14
  6. Step 6: Final answer
    x = 70,365.19

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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.