Home / 70,121.04-96,768.72-38,289.66

Finding the Fourth Proportional to 70,121.04, 96,768.72 and 38,289.66

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Solution

The fourth proportional to 70,121.04, 96,768.72 and 38,289.66 is: 52,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,121.04 : 96,768.72 = 38,289.66 : x
  2. Step 2: Convert to fraction form
    70,121.04/96,768.72 = 38,289.66/x
  3. Step 3: Cross multiply
    70,121.04x = 96,768.72 × 38,289.66
  4. Step 4: Simplify right side
    70,121.04x = 3,705,241,387.44
  5. Step 5: Solve for x
    x = 3,705,241,387.44/70,121.04
  6. Step 6: Final answer
    x = 52,840.65

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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.