Home / 89,405.06-123,488.13-66,844.23

Finding the Fourth Proportional to 89,405.06, 123,488.13 and 66,844.23

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Solution

The fourth proportional to 89,405.06, 123,488.13 and 66,844.23 is: 92,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,405.06 : 123,488.13 = 66,844.23 : x
  2. Step 2: Convert to fraction form
    89,405.06/123,488.13 = 66,844.23/x
  3. Step 3: Cross multiply
    89,405.06x = 123,488.13 × 66,844.23
  4. Step 4: Simplify right side
    89,405.06x = 8,254,468,629.77
  5. Step 5: Solve for x
    x = 8,254,468,629.77/89,405.06
  6. Step 6: Final answer
    x = 92,326.64

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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.