Home / 89,325.36-123,284.16-51,621.48

Finding the Fourth Proportional to 89,325.36, 123,284.16 and 51,621.48

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Solution

The fourth proportional to 89,325.36, 123,284.16 and 51,621.48 is: 71,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,325.36 : 123,284.16 = 51,621.48 : x
  2. Step 2: Convert to fraction form
    89,325.36/123,284.16 = 51,621.48/x
  3. Step 3: Cross multiply
    89,325.36x = 123,284.16 × 51,621.48
  4. Step 4: Simplify right side
    89,325.36x = 6,364,110,799.76
  5. Step 5: Solve for x
    x = 6,364,110,799.76/89,325.36
  6. Step 6: Final answer
    x = 71,246.41

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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.