Home / 89,278.23-123,205.82-48,989.64

Finding the Fourth Proportional to 89,278.23, 123,205.82 and 48,989.64

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Solution

The fourth proportional to 89,278.23, 123,205.82 and 48,989.64 is: 67,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.23 : 123,205.82 = 48,989.64 : x
  2. Step 2: Convert to fraction form
    89,278.23/123,205.82 = 48,989.64/x
  3. Step 3: Cross multiply
    89,278.23x = 123,205.82 × 48,989.64
  4. Step 4: Simplify right side
    89,278.23x = 6,035,808,522.76
  5. Step 5: Solve for x
    x = 6,035,808,522.76/89,278.23
  6. Step 6: Final answer
    x = 67,606.72

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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.