Home / 89,555.36-123,585.03-49,266.72

Finding the Fourth Proportional to 89,555.36, 123,585.03 and 49,266.72

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Solution

The fourth proportional to 89,555.36, 123,585.03 and 49,266.72 is: 67,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.36 : 123,585.03 = 49,266.72 : x
  2. Step 2: Convert to fraction form
    89,555.36/123,585.03 = 49,266.72/x
  3. Step 3: Cross multiply
    89,555.36x = 123,585.03 × 49,266.72
  4. Step 4: Simplify right side
    89,555.36x = 6,088,629,069.20
  5. Step 5: Solve for x
    x = 6,088,629,069.20/89,555.36
  6. Step 6: Final answer
    x = 67,987.33

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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.