Home / 89,244.64-123,158.76-48,955.80

Finding the Fourth Proportional to 89,244.64, 123,158.76 and 48,955.80

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Solution

The fourth proportional to 89,244.64, 123,158.76 and 48,955.80 is: 67,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,244.64 : 123,158.76 = 48,955.80 : x
  2. Step 2: Convert to fraction form
    89,244.64/123,158.76 = 48,955.80/x
  3. Step 3: Cross multiply
    89,244.64x = 123,158.76 × 48,955.80
  4. Step 4: Simplify right side
    89,244.64x = 6,029,335,622.81
  5. Step 5: Solve for x
    x = 6,029,335,622.81/89,244.64
  6. Step 6: Final answer
    x = 67,559.64

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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.