Home / 93,740.62-140,548.56-51,640.51

Finding the Fourth Proportional to 93,740.62, 140,548.56 and 51,640.51

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Solution

The fourth proportional to 93,740.62, 140,548.56 and 51,640.51 is: 77,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,740.62 : 140,548.56 = 51,640.51 : x
  2. Step 2: Convert to fraction form
    93,740.62/140,548.56 = 51,640.51/x
  3. Step 3: Cross multiply
    93,740.62x = 140,548.56 × 51,640.51
  4. Step 4: Simplify right side
    93,740.62x = 7,257,999,318.17
  5. Step 5: Solve for x
    x = 7,257,999,318.17/93,740.62
  6. Step 6: Final answer
    x = 77,426.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.