Home / 89,208.36-123,085.80-51,482.52

Finding the Fourth Proportional to 89,208.36, 123,085.80 and 51,482.52

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Solution

The fourth proportional to 89,208.36, 123,085.80 and 51,482.52 is: 71,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.36 : 123,085.80 = 51,482.52 : x
  2. Step 2: Convert to fraction form
    89,208.36/123,085.80 = 51,482.52/x
  3. Step 3: Cross multiply
    89,208.36x = 123,085.80 × 51,482.52
  4. Step 4: Simplify right side
    89,208.36x = 6,336,767,160.22
  5. Step 5: Solve for x
    x = 6,336,767,160.22/89,208.36
  6. Step 6: Final answer
    x = 71,033.33

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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.