Home / 78,523.04-108,342.42-48,313.28

Finding the Fourth Proportional to 78,523.04, 108,342.42 and 48,313.28

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Solution

The fourth proportional to 78,523.04, 108,342.42 and 48,313.28 is: 66,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,523.04 : 108,342.42 = 48,313.28 : x
  2. Step 2: Convert to fraction form
    78,523.04/108,342.42 = 48,313.28/x
  3. Step 3: Cross multiply
    78,523.04x = 108,342.42 × 48,313.28
  4. Step 4: Simplify right side
    78,523.04x = 5,234,377,673.34
  5. Step 5: Solve for x
    x = 5,234,377,673.34/78,523.04
  6. Step 6: Final answer
    x = 66,660.41

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1.5x scale

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.