Home / 89,161.64-123,042.30-48,877.64

Finding the Fourth Proportional to 89,161.64, 123,042.30 and 48,877.64

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Solution

The fourth proportional to 89,161.64, 123,042.30 and 48,877.64 is: 67,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.64 : 123,042.30 = 48,877.64 : x
  2. Step 2: Convert to fraction form
    89,161.64/123,042.30 = 48,877.64/x
  3. Step 3: Cross multiply
    89,161.64x = 123,042.30 × 48,877.64
  4. Step 4: Simplify right side
    89,161.64x = 6,014,017,244.17
  5. Step 5: Solve for x
    x = 6,014,017,244.17/89,161.64
  6. Step 6: Final answer
    x = 67,450.72

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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.