Home / 76,960.04-106,209.54-42,968.48

Finding the Fourth Proportional to 76,960.04, 106,209.54 and 42,968.48

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Solution

The fourth proportional to 76,960.04, 106,209.54 and 42,968.48 is: 59,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,960.04 : 106,209.54 = 42,968.48 : x
  2. Step 2: Convert to fraction form
    76,960.04/106,209.54 = 42,968.48/x
  3. Step 3: Cross multiply
    76,960.04x = 106,209.54 × 42,968.48
  4. Step 4: Simplify right side
    76,960.04x = 4,563,661,964.25
  5. Step 5: Solve for x
    x = 4,563,661,964.25/76,960.04
  6. Step 6: Final answer
    x = 59,299.11

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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.