Home / 89,102.04-122,960.74-48,818.31

Finding the Fourth Proportional to 89,102.04, 122,960.74 and 48,818.31

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Solution

The fourth proportional to 89,102.04, 122,960.74 and 48,818.31 is: 67,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,102.04 : 122,960.74 = 48,818.31 : x
  2. Step 2: Convert to fraction form
    89,102.04/122,960.74 = 48,818.31/x
  3. Step 3: Cross multiply
    89,102.04x = 122,960.74 × 48,818.31
  4. Step 4: Simplify right side
    89,102.04x = 6,002,735,523.15
  5. Step 5: Solve for x
    x = 6,002,735,523.15/89,102.04
  6. Step 6: Final answer
    x = 67,369.23

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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.