Home / 93,384.26-128,870.11-50,942.79

Finding the Fourth Proportional to 93,384.26, 128,870.11 and 50,942.79

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Solution

The fourth proportional to 93,384.26, 128,870.11 and 50,942.79 is: 70,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,384.26 : 128,870.11 = 50,942.79 : x
  2. Step 2: Convert to fraction form
    93,384.26/128,870.11 = 50,942.79/x
  3. Step 3: Cross multiply
    93,384.26x = 128,870.11 × 50,942.79
  4. Step 4: Simplify right side
    93,384.26x = 6,565,002,728.13
  5. Step 5: Solve for x
    x = 6,565,002,728.13/93,384.26
  6. Step 6: Final answer
    x = 70,300.96

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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.